Home / 95,601.12-142,981.92-85,144.80

Finding the Fourth Proportional to 95,601.12, 142,981.92 and 85,144.80

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Solution

The fourth proportional to 95,601.12, 142,981.92 and 85,144.80 is: 127,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,601.12 : 142,981.92 = 85,144.80 : x
  2. Step 2: Convert to fraction form
    95,601.12/142,981.92 = 85,144.80/x
  3. Step 3: Cross multiply
    95,601.12x = 142,981.92 × 85,144.80
  4. Step 4: Simplify right side
    95,601.12x = 12,174,166,982.02
  5. Step 5: Solve for x
    x = 12,174,166,982.02/95,601.12
  6. Step 6: Final answer
    x = 127,343.35

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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.