Home / 132,128.28-182,337.15-75,540.84

Finding the Fourth Proportional to 132,128.28, 182,337.15 and 75,540.84

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Solution

The fourth proportional to 132,128.28, 182,337.15 and 75,540.84 is: 104,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128.28 : 182,337.15 = 75,540.84 : x
  2. Step 2: Convert to fraction form
    132,128.28/182,337.15 = 75,540.84/x
  3. Step 3: Cross multiply
    132,128.28x = 182,337.15 × 75,540.84
  4. Step 4: Simplify right side
    132,128.28x = 13,773,901,474.21
  5. Step 5: Solve for x
    x = 13,773,901,474.21/132,128.28
  6. Step 6: Final answer
    x = 104,246.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.