Home / 239,315.11-330,265.49-137,344.88

Finding the Fourth Proportional to 239,315.11, 330,265.49 and 137,344.88

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Solution

The fourth proportional to 239,315.11, 330,265.49 and 137,344.88 is: 189,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,315.11 : 330,265.49 = 137,344.88 : x
  2. Step 2: Convert to fraction form
    239,315.11/330,265.49 = 137,344.88/x
  3. Step 3: Cross multiply
    239,315.11x = 330,265.49 × 137,344.88
  4. Step 4: Simplify right side
    239,315.11x = 45,360,274,231.13
  5. Step 5: Solve for x
    x = 45,360,274,231.13/239,315.11
  6. Step 6: Final answer
    x = 189,542.04

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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.