Home / 129,539.57-194,060.07-79,473.47

Finding the Fourth Proportional to 129,539.57, 194,060.07 and 79,473.47

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Solution

The fourth proportional to 129,539.57, 194,060.07 and 79,473.47 is: 119,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539.57 : 194,060.07 = 79,473.47 : x
  2. Step 2: Convert to fraction form
    129,539.57/194,060.07 = 79,473.47/x
  3. Step 3: Cross multiply
    129,539.57x = 194,060.07 × 79,473.47
  4. Step 4: Simplify right side
    129,539.57x = 15,422,626,181.04
  5. Step 5: Solve for x
    x = 15,422,626,181.04/129,539.57
  6. Step 6: Final answer
    x = 119,057.26

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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.