Home / 94,151.52-129,930.72-51,711.84

Finding the Fourth Proportional to 94,151.52, 129,930.72 and 51,711.84

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Solution

The fourth proportional to 94,151.52, 129,930.72 and 51,711.84 is: 71,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,151.52 : 129,930.72 = 51,711.84 : x
  2. Step 2: Convert to fraction form
    94,151.52/129,930.72 = 51,711.84/x
  3. Step 3: Cross multiply
    94,151.52x = 129,930.72 × 51,711.84
  4. Step 4: Simplify right side
    94,151.52x = 6,718,956,603.72
  5. Step 5: Solve for x
    x = 6,718,956,603.72/94,151.52
  6. Step 6: Final answer
    x = 71,363.23

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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.