Home / 129,984.78-195,049.28-63,425.46

Finding the Fourth Proportional to 129,984.78, 195,049.28 and 63,425.46

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Solution

The fourth proportional to 129,984.78, 195,049.28 and 63,425.46 is: 95,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.78 : 195,049.28 = 63,425.46 : x
  2. Step 2: Convert to fraction form
    129,984.78/195,049.28 = 63,425.46/x
  3. Step 3: Cross multiply
    129,984.78x = 195,049.28 × 63,425.46
  4. Step 4: Simplify right side
    129,984.78x = 12,371,091,196.67
  5. Step 5: Solve for x
    x = 12,371,091,196.67/129,984.78
  6. Step 6: Final answer
    x = 95,173.38

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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.