Home / 132,572.10-182,951.70-72,145.29

Finding the Fourth Proportional to 132,572.10, 182,951.70 and 72,145.29

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Solution

The fourth proportional to 132,572.10, 182,951.70 and 72,145.29 is: 99,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,572.10 : 182,951.70 = 72,145.29 : x
  2. Step 2: Convert to fraction form
    132,572.10/182,951.70 = 72,145.29/x
  3. Step 3: Cross multiply
    132,572.10x = 182,951.70 × 72,145.29
  4. Step 4: Simplify right side
    132,572.10x = 13,199,103,452.49
  5. Step 5: Solve for x
    x = 13,199,103,452.49/132,572.10
  6. Step 6: Final answer
    x = 99,561.70

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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.