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Finding the Fourth Proportional to 161,753.70, 242,630.55 and 146,979.30

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Solution

The fourth proportional to 161,753.70, 242,630.55 and 146,979.30 is: 220,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,753.70 : 242,630.55 = 146,979.30 : x
  2. Step 2: Convert to fraction form
    161,753.70/242,630.55 = 146,979.30/x
  3. Step 3: Cross multiply
    161,753.70x = 242,630.55 × 146,979.30
  4. Step 4: Simplify right side
    161,753.70x = 35,661,668,397.62
  5. Step 5: Solve for x
    x = 35,661,668,397.62/161,753.70
  6. Step 6: Final answer
    x = 220,468.95

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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.