Home / 129,968.76-194,913.88-67,605.24

Finding the Fourth Proportional to 129,968.76, 194,913.88 and 67,605.24

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Solution

The fourth proportional to 129,968.76, 194,913.88 and 67,605.24 is: 101,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.76 : 194,913.88 = 67,605.24 : x
  2. Step 2: Convert to fraction form
    129,968.76/194,913.88 = 67,605.24/x
  3. Step 3: Cross multiply
    129,968.76x = 194,913.88 × 67,605.24
  4. Step 4: Simplify right side
    129,968.76x = 13,177,199,636.73
  5. Step 5: Solve for x
    x = 13,177,199,636.73/129,968.76
  6. Step 6: Final answer
    x = 101,387.44

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1.5x scale

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.