Home / 131,910.90-182,037.06-77,452.38

Finding the Fourth Proportional to 131,910.90, 182,037.06 and 77,452.38

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Solution

The fourth proportional to 131,910.90, 182,037.06 and 77,452.38 is: 106,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,910.90 : 182,037.06 = 77,452.38 : x
  2. Step 2: Convert to fraction form
    131,910.90/182,037.06 = 77,452.38/x
  3. Step 3: Cross multiply
    131,910.90x = 182,037.06 × 77,452.38
  4. Step 4: Simplify right side
    131,910.90x = 14,099,203,545.20
  5. Step 5: Solve for x
    x = 14,099,203,545.20/131,910.90
  6. Step 6: Final answer
    x = 106,884.29

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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.