Home / 132,376.41-198,564.31-57,486.85

Finding the Fourth Proportional to 132,376.41, 198,564.31 and 57,486.85

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Solution

The fourth proportional to 132,376.41, 198,564.31 and 57,486.85 is: 86,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,376.41 : 198,564.31 = 57,486.85 : x
  2. Step 2: Convert to fraction form
    132,376.41/198,564.31 = 57,486.85/x
  3. Step 3: Cross multiply
    132,376.41x = 198,564.31 × 57,486.85
  4. Step 4: Simplify right side
    132,376.41x = 11,414,836,279.77
  5. Step 5: Solve for x
    x = 11,414,836,279.77/132,376.41
  6. Step 6: Final answer
    x = 86,230.14

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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.