Home / 239,863.89-331,017.33-132,440.72

Finding the Fourth Proportional to 239,863.89, 331,017.33 and 132,440.72

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Solution

The fourth proportional to 239,863.89, 331,017.33 and 132,440.72 is: 182,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,863.89 : 331,017.33 = 132,440.72 : x
  2. Step 2: Convert to fraction form
    239,863.89/331,017.33 = 132,440.72/x
  3. Step 3: Cross multiply
    239,863.89x = 331,017.33 × 132,440.72
  4. Step 4: Simplify right side
    239,863.89x = 43,840,172,359.24
  5. Step 5: Solve for x
    x = 43,840,172,359.24/239,863.89
  6. Step 6: Final answer
    x = 182,771.04

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1.5x scale

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.