Home / 138,284.96-207,381.24-54,023.27

Finding the Fourth Proportional to 138,284.96, 207,381.24 and 54,023.27

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Solution

The fourth proportional to 138,284.96, 207,381.24 and 54,023.27 is: 81,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,284.96 : 207,381.24 = 54,023.27 : x
  2. Step 2: Convert to fraction form
    138,284.96/207,381.24 = 54,023.27/x
  3. Step 3: Cross multiply
    138,284.96x = 207,381.24 × 54,023.27
  4. Step 4: Simplify right side
    138,284.96x = 11,203,411,684.55
  5. Step 5: Solve for x
    x = 11,203,411,684.55/138,284.96
  6. Step 6: Final answer
    x = 81,016.85

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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.