Home / 231,046.20-318,871.38-140,416.92

Finding the Fourth Proportional to 231,046.20, 318,871.38 and 140,416.92

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Solution

The fourth proportional to 231,046.20, 318,871.38 and 140,416.92 is: 193,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,046.20 : 318,871.38 = 140,416.92 : x
  2. Step 2: Convert to fraction form
    231,046.20/318,871.38 = 140,416.92/x
  3. Step 3: Cross multiply
    231,046.20x = 318,871.38 × 140,416.92
  4. Step 4: Simplify right side
    231,046.20x = 44,774,937,055.75
  5. Step 5: Solve for x
    x = 44,774,937,055.75/231,046.20
  6. Step 6: Final answer
    x = 193,792.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.