Home / 94,167.47-129,951.20-51,728.74

Finding the Fourth Proportional to 94,167.47, 129,951.20 and 51,728.74

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Solution

The fourth proportional to 94,167.47, 129,951.20 and 51,728.74 is: 71,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,167.47 : 129,951.20 = 51,728.74 : x
  2. Step 2: Convert to fraction form
    94,167.47/129,951.20 = 51,728.74/x
  3. Step 3: Cross multiply
    94,167.47x = 129,951.20 × 51,728.74
  4. Step 4: Simplify right side
    94,167.47x = 6,722,211,837.49
  5. Step 5: Solve for x
    x = 6,722,211,837.49/94,167.47
  6. Step 6: Final answer
    x = 71,385.71

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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.