Home / 204,886.92-307,319.31-78,587.67

Finding the Fourth Proportional to 204,886.92, 307,319.31 and 78,587.67

Calculator

Solution

The fourth proportional to 204,886.92, 307,319.31 and 78,587.67 is: 117,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,886.92 : 307,319.31 = 78,587.67 : x
  2. Step 2: Convert to fraction form
    204,886.92/307,319.31 = 78,587.67/x
  3. Step 3: Cross multiply
    204,886.92x = 307,319.31 × 78,587.67
  4. Step 4: Simplify right side
    204,886.92x = 24,151,508,518.91
  5. Step 5: Solve for x
    x = 24,151,508,518.91/204,886.92
  6. Step 6: Final answer
    x = 117,877.26

Related Problems

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.