Home / 198,132.09-297,314.78-73,560.57

Finding the Fourth Proportional to 198,132.09, 297,314.78 and 73,560.57

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Solution

The fourth proportional to 198,132.09, 297,314.78 and 73,560.57 is: 110,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,132.09 : 297,314.78 = 73,560.57 : x
  2. Step 2: Convert to fraction form
    198,132.09/297,314.78 = 73,560.57/x
  3. Step 3: Cross multiply
    198,132.09x = 297,314.78 × 73,560.57
  4. Step 4: Simplify right side
    198,132.09x = 21,870,644,318.42
  5. Step 5: Solve for x
    x = 21,870,644,318.42/198,132.09
  6. Step 6: Final answer
    x = 110,384.16

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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.