Home / 142,760.61-214,057.91-54,020.97

Finding the Fourth Proportional to 142,760.61, 214,057.91 and 54,020.97

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Solution

The fourth proportional to 142,760.61, 214,057.91 and 54,020.97 is: 81,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.61 : 214,057.91 = 54,020.97 : x
  2. Step 2: Convert to fraction form
    142,760.61/214,057.91 = 54,020.97/x
  3. Step 3: Cross multiply
    142,760.61x = 214,057.91 × 54,020.97
  4. Step 4: Simplify right side
    142,760.61x = 11,563,615,664.27
  5. Step 5: Solve for x
    x = 11,563,615,664.27/142,760.61
  6. Step 6: Final answer
    x = 81,000.04

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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.