Home / 132,428.18-182,754.49-72,002.90

Finding the Fourth Proportional to 132,428.18, 182,754.49 and 72,002.90

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Solution

The fourth proportional to 132,428.18, 182,754.49 and 72,002.90 is: 99,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,428.18 : 182,754.49 = 72,002.90 : x
  2. Step 2: Convert to fraction form
    132,428.18/182,754.49 = 72,002.90/x
  3. Step 3: Cross multiply
    132,428.18x = 182,754.49 × 72,002.90
  4. Step 4: Simplify right side
    132,428.18x = 13,158,853,268.02
  5. Step 5: Solve for x
    x = 13,158,853,268.02/132,428.18
  6. Step 6: Final answer
    x = 99,365.96

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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.