Home / 129,425.31-193,974.40-58,272.18

Finding the Fourth Proportional to 129,425.31, 193,974.40 and 58,272.18

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Solution

The fourth proportional to 129,425.31, 193,974.40 and 58,272.18 is: 87,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,425.31 : 193,974.40 = 58,272.18 : x
  2. Step 2: Convert to fraction form
    129,425.31/193,974.40 = 58,272.18/x
  3. Step 3: Cross multiply
    129,425.31x = 193,974.40 × 58,272.18
  4. Step 4: Simplify right side
    129,425.31x = 11,303,310,169.85
  5. Step 5: Solve for x
    x = 11,303,310,169.85/129,425.31
  6. Step 6: Final answer
    x = 87,334.62

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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.