Home / 139,517.86-192,542.52-75,854.29

Finding the Fourth Proportional to 139,517.86, 192,542.52 and 75,854.29

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Solution

The fourth proportional to 139,517.86, 192,542.52 and 75,854.29 is: 104,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,517.86 : 192,542.52 = 75,854.29 : x
  2. Step 2: Convert to fraction form
    139,517.86/192,542.52 = 75,854.29/x
  3. Step 3: Cross multiply
    139,517.86x = 192,542.52 × 75,854.29
  4. Step 4: Simplify right side
    139,517.86x = 14,605,176,149.41
  5. Step 5: Solve for x
    x = 14,605,176,149.41/139,517.86
  6. Step 6: Final answer
    x = 104,683.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.