Home / 168,638.18-252,990.48-50,306.90

Finding the Fourth Proportional to 168,638.18, 252,990.48 and 50,306.90

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Solution

The fourth proportional to 168,638.18, 252,990.48 and 50,306.90 is: 75,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,638.18 : 252,990.48 = 50,306.90 : x
  2. Step 2: Convert to fraction form
    168,638.18/252,990.48 = 50,306.90/x
  3. Step 3: Cross multiply
    168,638.18x = 252,990.48 × 50,306.90
  4. Step 4: Simplify right side
    168,638.18x = 12,727,165,513.36
  5. Step 5: Solve for x
    x = 12,727,165,513.36/168,638.18
  6. Step 6: Final answer
    x = 75,470.25

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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.