Home / 129,961.76-194,903.40-67,598.24

Finding the Fourth Proportional to 129,961.76, 194,903.40 and 67,598.24

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Solution

The fourth proportional to 129,961.76, 194,903.40 and 67,598.24 is: 101,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,961.76 : 194,903.40 = 67,598.24 : x
  2. Step 2: Convert to fraction form
    129,961.76/194,903.40 = 67,598.24/x
  3. Step 3: Cross multiply
    129,961.76x = 194,903.40 × 67,598.24
  4. Step 4: Simplify right side
    129,961.76x = 13,175,126,810.02
  5. Step 5: Solve for x
    x = 13,175,126,810.02/129,961.76
  6. Step 6: Final answer
    x = 101,376.95

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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.