Home / 132,320.53-182,631.23-81,377.11

Finding the Fourth Proportional to 132,320.53, 182,631.23 and 81,377.11

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Solution

The fourth proportional to 132,320.53, 182,631.23 and 81,377.11 is: 112,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,320.53 : 182,631.23 = 81,377.11 : x
  2. Step 2: Convert to fraction form
    132,320.53/182,631.23 = 81,377.11/x
  3. Step 3: Cross multiply
    132,320.53x = 182,631.23 × 81,377.11
  4. Step 4: Simplify right side
    132,320.53x = 14,862,001,693.15
  5. Step 5: Solve for x
    x = 14,862,001,693.15/132,320.53
  6. Step 6: Final answer
    x = 112,318.18

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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.