Home / 132,527.20-198,722.70-39,020.80

Finding the Fourth Proportional to 132,527.20, 198,722.70 and 39,020.80

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Solution

The fourth proportional to 132,527.20, 198,722.70 and 39,020.80 is: 58,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,527.20 : 198,722.70 = 39,020.80 : x
  2. Step 2: Convert to fraction form
    132,527.20/198,722.70 = 39,020.80/x
  3. Step 3: Cross multiply
    132,527.20x = 198,722.70 × 39,020.80
  4. Step 4: Simplify right side
    132,527.20x = 7,754,318,732.16
  5. Step 5: Solve for x
    x = 7,754,318,732.16/132,527.20
  6. Step 6: Final answer
    x = 58,511.15

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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.