Home / 132,382.10-182,691.23-81,424.73

Finding the Fourth Proportional to 132,382.10, 182,691.23 and 81,424.73

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Solution

The fourth proportional to 132,382.10, 182,691.23 and 81,424.73 is: 112,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,382.10 : 182,691.23 = 81,424.73 : x
  2. Step 2: Convert to fraction form
    132,382.10/182,691.23 = 81,424.73/x
  3. Step 3: Cross multiply
    132,382.10x = 182,691.23 × 81,424.73
  4. Step 4: Simplify right side
    132,382.10x = 14,875,582,755.54
  5. Step 5: Solve for x
    x = 14,875,582,755.54/132,382.10
  6. Step 6: Final answer
    x = 112,368.54

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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.