Home / 129,744.32-194,237.16-117,292.88

Finding the Fourth Proportional to 129,744.32, 194,237.16 and 117,292.88

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Solution

The fourth proportional to 129,744.32, 194,237.16 and 117,292.88 is: 175,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,744.32 : 194,237.16 = 117,292.88 : x
  2. Step 2: Convert to fraction form
    129,744.32/194,237.16 = 117,292.88/x
  3. Step 3: Cross multiply
    129,744.32x = 194,237.16 × 117,292.88
  4. Step 4: Simplify right side
    129,744.32x = 22,782,635,899.42
  5. Step 5: Solve for x
    x = 22,782,635,899.42/129,744.32
  6. Step 6: Final answer
    x = 175,596.40

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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.