Home / 129,380.23-194,004.68-59,199.40

Finding the Fourth Proportional to 129,380.23, 194,004.68 and 59,199.40

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Solution

The fourth proportional to 129,380.23, 194,004.68 and 59,199.40 is: 88,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,380.23 : 194,004.68 = 59,199.40 : x
  2. Step 2: Convert to fraction form
    129,380.23/194,004.68 = 59,199.40/x
  3. Step 3: Cross multiply
    129,380.23x = 194,004.68 × 59,199.40
  4. Step 4: Simplify right side
    129,380.23x = 11,484,959,387.17
  5. Step 5: Solve for x
    x = 11,484,959,387.17/129,380.23
  6. Step 6: Final answer
    x = 88,769.05

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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.