Home / 132,400.08-182,670.12-82,128.24

Finding the Fourth Proportional to 132,400.08, 182,670.12 and 82,128.24

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Solution

The fourth proportional to 132,400.08, 182,670.12 and 82,128.24 is: 113,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.08 : 182,670.12 = 82,128.24 : x
  2. Step 2: Convert to fraction form
    132,400.08/182,670.12 = 82,128.24/x
  3. Step 3: Cross multiply
    132,400.08x = 182,670.12 × 82,128.24
  4. Step 4: Simplify right side
    132,400.08x = 15,002,375,456.19
  5. Step 5: Solve for x
    x = 15,002,375,456.19/132,400.08
  6. Step 6: Final answer
    x = 113,310.92

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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.