Home / 91,012-136,518-25,348

Finding the Fourth Proportional to 91,012, 136,518 and 25,348

Calculator

Solution

The fourth proportional to 91,012, 136,518 and 25,348 is: 38,022

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012 : 136,518 = 25,348 : x
  2. Step 2: Convert to fraction form
    91,012/136,518 = 25,348/x
  3. Step 3: Cross multiply
    91,012x = 136,518 × 25,348
  4. Step 4: Simplify right side
    91,012x = 3,460,458,264
  5. Step 5: Solve for x
    x = 3,460,458,264/91,012
  6. Step 6: Final answer
    x = 38,022

Related Problems

Find fourth proportional to 45,506, 68,259 and 12,674
Half scale
Find fourth proportional to 182,024, 273,036 and 50,696
Double scale
Find fourth proportional to 91,013, 136,519.50 and 25,349
Similar ratio
Find fourth proportional to 136,518, 204,777 and 38,022
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.