Home / 129,986.73-194,991.17-36,492.48

Finding the Fourth Proportional to 129,986.73, 194,991.17 and 36,492.48

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Solution

The fourth proportional to 129,986.73, 194,991.17 and 36,492.48 is: 54,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,986.73 : 194,991.17 = 36,492.48 : x
  2. Step 2: Convert to fraction form
    129,986.73/194,991.17 = 36,492.48/x
  3. Step 3: Cross multiply
    129,986.73x = 194,991.17 × 36,492.48
  4. Step 4: Simplify right side
    129,986.73x = 7,115,711,188.94
  5. Step 5: Solve for x
    x = 7,115,711,188.94/129,986.73
  6. Step 6: Final answer
    x = 54,741.83

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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.