Home / 148,379.42-204,759.15-84,704.78

Finding the Fourth Proportional to 148,379.42, 204,759.15 and 84,704.78

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Solution

The fourth proportional to 148,379.42, 204,759.15 and 84,704.78 is: 116,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,379.42 : 204,759.15 = 84,704.78 : x
  2. Step 2: Convert to fraction form
    148,379.42/204,759.15 = 84,704.78/x
  3. Step 3: Cross multiply
    148,379.42x = 204,759.15 × 84,704.78
  4. Step 4: Simplify right side
    148,379.42x = 17,344,078,753.74
  5. Step 5: Solve for x
    x = 17,344,078,753.74/148,379.42
  6. Step 6: Final answer
    x = 116,890.06

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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.