Home / 239,023.17-329,839.44-131,572.21

Finding the Fourth Proportional to 239,023.17, 329,839.44 and 131,572.21

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Solution

The fourth proportional to 239,023.17, 329,839.44 and 131,572.21 is: 181,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,023.17 : 329,839.44 = 131,572.21 : x
  2. Step 2: Convert to fraction form
    239,023.17/329,839.44 = 131,572.21/x
  3. Step 3: Cross multiply
    239,023.17x = 329,839.44 × 131,572.21
  4. Step 4: Simplify right side
    239,023.17x = 43,397,704,065.96
  5. Step 5: Solve for x
    x = 43,397,704,065.96/239,023.17
  6. Step 6: Final answer
    x = 181,562.75

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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.