Home / 159,990.20-239,999.07-41,661.75

Finding the Fourth Proportional to 159,990.20, 239,999.07 and 41,661.75

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Solution

The fourth proportional to 159,990.20, 239,999.07 and 41,661.75 is: 62,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,990.20 : 239,999.07 = 41,661.75 : x
  2. Step 2: Convert to fraction form
    159,990.20/239,999.07 = 41,661.75/x
  3. Step 3: Cross multiply
    159,990.20x = 239,999.07 × 41,661.75
  4. Step 4: Simplify right side
    159,990.20x = 9,998,781,254.57
  5. Step 5: Solve for x
    x = 9,998,781,254.57/159,990.20
  6. Step 6: Final answer
    x = 62,496.21

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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.