Home / 217,585.56-326,309.22-69,807

Finding the Fourth Proportional to 217,585.56, 326,309.22 and 69,807

Calculator

Solution

The fourth proportional to 217,585.56, 326,309.22 and 69,807 is: 104,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,585.56 : 326,309.22 = 69,807 : x
  2. Step 2: Convert to fraction form
    217,585.56/326,309.22 = 69,807/x
  3. Step 3: Cross multiply
    217,585.56x = 326,309.22 × 69,807
  4. Step 4: Simplify right side
    217,585.56x = 22,778,667,720.54
  5. Step 5: Solve for x
    x = 22,778,667,720.54/217,585.56
  6. Step 6: Final answer
    x = 104,688.32

Related Problems

Find fourth proportional to 108,792.78, 163,154.61 and 34,903.50
Half scale
Find fourth proportional to 435,171.12, 652,618.44 and 139,614
Double scale
Find fourth proportional to 217,586.56, 326,310.72 and 69,808
Similar ratio
Find fourth proportional to 326,378.34, 489,463.83 and 104,710.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.