Home / 132,217.28-182,207.06-129,787.89

Finding the Fourth Proportional to 132,217.28, 182,207.06 and 129,787.89

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Solution

The fourth proportional to 132,217.28, 182,207.06 and 129,787.89 is: 178,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,217.28 : 182,207.06 = 129,787.89 : x
  2. Step 2: Convert to fraction form
    132,217.28/182,207.06 = 129,787.89/x
  3. Step 3: Cross multiply
    132,217.28x = 182,207.06 × 129,787.89
  4. Step 4: Simplify right side
    132,217.28x = 23,648,269,211.56
  5. Step 5: Solve for x
    x = 23,648,269,211.56/132,217.28
  6. Step 6: Final answer
    x = 178,859.15

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Why These Related Problems?

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