Home / 178,760.92-268,141.14-45,641.20

Finding the Fourth Proportional to 178,760.92, 268,141.14 and 45,641.20

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Solution

The fourth proportional to 178,760.92, 268,141.14 and 45,641.20 is: 68,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,760.92 : 268,141.14 = 45,641.20 : x
  2. Step 2: Convert to fraction form
    178,760.92/268,141.14 = 45,641.20/x
  3. Step 3: Cross multiply
    178,760.92x = 268,141.14 × 45,641.20
  4. Step 4: Simplify right side
    178,760.92x = 12,238,283,398.97
  5. Step 5: Solve for x
    x = 12,238,283,398.97/178,760.92
  6. Step 6: Final answer
    x = 68,461.74

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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.