Home / 239,250.26-330,213.02-137,344.56

Finding the Fourth Proportional to 239,250.26, 330,213.02 and 137,344.56

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Solution

The fourth proportional to 239,250.26, 330,213.02 and 137,344.56 is: 189,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,250.26 : 330,213.02 = 137,344.56 : x
  2. Step 2: Convert to fraction form
    239,250.26/330,213.02 = 137,344.56/x
  3. Step 3: Cross multiply
    239,250.26x = 330,213.02 × 137,344.56
  4. Step 4: Simplify right side
    239,250.26x = 45,352,961,251.45
  5. Step 5: Solve for x
    x = 45,352,961,251.45/239,250.26
  6. Step 6: Final answer
    x = 189,562.85

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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.