Home / 132,147.80-182,372.94-74,787.04

Finding the Fourth Proportional to 132,147.80, 182,372.94 and 74,787.04

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Solution

The fourth proportional to 132,147.80, 182,372.94 and 74,787.04 is: 103,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,147.80 : 182,372.94 = 74,787.04 : x
  2. Step 2: Convert to fraction form
    132,147.80/182,372.94 = 74,787.04/x
  3. Step 3: Cross multiply
    132,147.80x = 182,372.94 × 74,787.04
  4. Step 4: Simplify right side
    132,147.80x = 13,639,132,358.70
  5. Step 5: Solve for x
    x = 13,639,132,358.70/132,147.80
  6. Step 6: Final answer
    x = 103,211.20

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1.5x scale

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.