Home / 129,352.40-194,028.64-58,191.91

Finding the Fourth Proportional to 129,352.40, 194,028.64 and 58,191.91

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Solution

The fourth proportional to 129,352.40, 194,028.64 and 58,191.91 is: 87,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,352.40 : 194,028.64 = 58,191.91 : x
  2. Step 2: Convert to fraction form
    129,352.40/194,028.64 = 58,191.91/x
  3. Step 3: Cross multiply
    129,352.40x = 194,028.64 × 58,191.91
  4. Step 4: Simplify right side
    129,352.40x = 11,290,896,525.75
  5. Step 5: Solve for x
    x = 11,290,896,525.75/129,352.40
  6. Step 6: Final answer
    x = 87,287.88

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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.