Home / 99,687.12-137,544.12-59,375.04

Finding the Fourth Proportional to 99,687.12, 137,544.12 and 59,375.04

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Solution

The fourth proportional to 99,687.12, 137,544.12 and 59,375.04 is: 81,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,687.12 : 137,544.12 = 59,375.04 : x
  2. Step 2: Convert to fraction form
    99,687.12/137,544.12 = 59,375.04/x
  3. Step 3: Cross multiply
    99,687.12x = 137,544.12 × 59,375.04
  4. Step 4: Simplify right side
    99,687.12x = 8,166,687,626.76
  5. Step 5: Solve for x
    x = 8,166,687,626.76/99,687.12
  6. Step 6: Final answer
    x = 81,923.20

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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.