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Finding the Fourth Proportional to 158,251.71, 237,340.31 and 45,902.28

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Solution

The fourth proportional to 158,251.71, 237,340.31 and 45,902.28 is: 68,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,251.71 : 237,340.31 = 45,902.28 : x
  2. Step 2: Convert to fraction form
    158,251.71/237,340.31 = 45,902.28/x
  3. Step 3: Cross multiply
    158,251.71x = 237,340.31 × 45,902.28
  4. Step 4: Simplify right side
    158,251.71x = 10,894,461,364.91
  5. Step 5: Solve for x
    x = 10,894,461,364.91/158,251.71
  6. Step 6: Final answer
    x = 68,842.61

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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.