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Finding the Fourth Proportional to 101,451.52, 152,078.40 and 42,304.12

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Solution

The fourth proportional to 101,451.52, 152,078.40 and 42,304.12 is: 63,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,451.52 : 152,078.40 = 42,304.12 : x
  2. Step 2: Convert to fraction form
    101,451.52/152,078.40 = 42,304.12/x
  3. Step 3: Cross multiply
    101,451.52x = 152,078.40 × 42,304.12
  4. Step 4: Simplify right side
    101,451.52x = 6,433,542,883.01
  5. Step 5: Solve for x
    x = 6,433,542,883.01/101,451.52
  6. Step 6: Final answer
    x = 63,414.95

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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.