Home / 129,534.30-194,306.25-45,277.98

Finding the Fourth Proportional to 129,534.30, 194,306.25 and 45,277.98

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Solution

The fourth proportional to 129,534.30, 194,306.25 and 45,277.98 is: 67,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,534.30 : 194,306.25 = 45,277.98 : x
  2. Step 2: Convert to fraction form
    129,534.30/194,306.25 = 45,277.98/x
  3. Step 3: Cross multiply
    129,534.30x = 194,306.25 × 45,277.98
  4. Step 4: Simplify right side
    129,534.30x = 8,797,794,501.38
  5. Step 5: Solve for x
    x = 8,797,794,501.38/129,534.30
  6. Step 6: Final answer
    x = 67,918.65

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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.