Home / 129,695.43-194,373.63-66,461.97

Finding the Fourth Proportional to 129,695.43, 194,373.63 and 66,461.97

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Solution

The fourth proportional to 129,695.43, 194,373.63 and 66,461.97 is: 99,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,695.43 : 194,373.63 = 66,461.97 : x
  2. Step 2: Convert to fraction form
    129,695.43/194,373.63 = 66,461.97/x
  3. Step 3: Cross multiply
    129,695.43x = 194,373.63 × 66,461.97
  4. Step 4: Simplify right side
    129,695.43x = 12,918,454,365.85
  5. Step 5: Solve for x
    x = 12,918,454,365.85/129,695.43
  6. Step 6: Final answer
    x = 99,606.09

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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.