Home / 137,020.11-205,612.17-48,348.19

Finding the Fourth Proportional to 137,020.11, 205,612.17 and 48,348.19

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Solution

The fourth proportional to 137,020.11, 205,612.17 and 48,348.19 is: 72,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,020.11 : 205,612.17 = 48,348.19 : x
  2. Step 2: Convert to fraction form
    137,020.11/205,612.17 = 48,348.19/x
  3. Step 3: Cross multiply
    137,020.11x = 205,612.17 × 48,348.19
  4. Step 4: Simplify right side
    137,020.11x = 9,940,976,609.14
  5. Step 5: Solve for x
    x = 9,940,976,609.14/137,020.11
  6. Step 6: Final answer
    x = 72,551.23

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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.