Home / 95,516.20-142,934.10-83,171.80

Finding the Fourth Proportional to 95,516.20, 142,934.10 and 83,171.80

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Solution

The fourth proportional to 95,516.20, 142,934.10 and 83,171.80 is: 124,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,516.20 : 142,934.10 = 83,171.80 : x
  2. Step 2: Convert to fraction form
    95,516.20/142,934.10 = 83,171.80/x
  3. Step 3: Cross multiply
    95,516.20x = 142,934.10 × 83,171.80
  4. Step 4: Simplify right side
    95,516.20x = 11,888,086,378.38
  5. Step 5: Solve for x
    x = 11,888,086,378.38/95,516.20
  6. Step 6: Final answer
    x = 124,461.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.