Home / 129,572.24-194,387.88-40,825.28

Finding the Fourth Proportional to 129,572.24, 194,387.88 and 40,825.28

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Solution

The fourth proportional to 129,572.24, 194,387.88 and 40,825.28 is: 61,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,572.24 : 194,387.88 = 40,825.28 : x
  2. Step 2: Convert to fraction form
    129,572.24/194,387.88 = 40,825.28/x
  3. Step 3: Cross multiply
    129,572.24x = 194,387.88 × 40,825.28
  4. Step 4: Simplify right side
    129,572.24x = 7,935,939,629.61
  5. Step 5: Solve for x
    x = 7,935,939,629.61/129,572.24
  6. Step 6: Final answer
    x = 61,247.22

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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.