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Finding the Fourth Proportional to 96,347.40, 144,521.10 and 51,951.30

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Solution

The fourth proportional to 96,347.40, 144,521.10 and 51,951.30 is: 77,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,347.40 : 144,521.10 = 51,951.30 : x
  2. Step 2: Convert to fraction form
    96,347.40/144,521.10 = 51,951.30/x
  3. Step 3: Cross multiply
    96,347.40x = 144,521.10 × 51,951.30
  4. Step 4: Simplify right side
    96,347.40x = 7,508,059,022.43
  5. Step 5: Solve for x
    x = 7,508,059,022.43/96,347.40
  6. Step 6: Final answer
    x = 77,926.95

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Similar ratio
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1.5x scale

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.