Home / 129,658.88-194,377.38-49,754.18

Finding the Fourth Proportional to 129,658.88, 194,377.38 and 49,754.18

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Solution

The fourth proportional to 129,658.88, 194,377.38 and 49,754.18 is: 74,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,658.88 : 194,377.38 = 49,754.18 : x
  2. Step 2: Convert to fraction form
    129,658.88/194,377.38 = 49,754.18/x
  3. Step 3: Cross multiply
    129,658.88x = 194,377.38 × 49,754.18
  4. Step 4: Simplify right side
    129,658.88x = 9,671,087,152.45
  5. Step 5: Solve for x
    x = 9,671,087,152.45/129,658.88
  6. Step 6: Final answer
    x = 74,588.70

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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.