Home / 94,074.57-141,625.28-85,807.71

Finding the Fourth Proportional to 94,074.57, 141,625.28 and 85,807.71

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Solution

The fourth proportional to 94,074.57, 141,625.28 and 85,807.71 is: 129,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,074.57 : 141,625.28 = 85,807.71 : x
  2. Step 2: Convert to fraction form
    94,074.57/141,625.28 = 85,807.71/x
  3. Step 3: Cross multiply
    94,074.57x = 141,625.28 × 85,807.71
  4. Step 4: Simplify right side
    94,074.57x = 12,152,541,169.43
  5. Step 5: Solve for x
    x = 12,152,541,169.43/94,074.57
  6. Step 6: Final answer
    x = 129,179.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.