Home / 239,023.67-329,840.13-131,572.71

Finding the Fourth Proportional to 239,023.67, 329,840.13 and 131,572.71

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Solution

The fourth proportional to 239,023.67, 329,840.13 and 131,572.71 is: 181,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,023.67 : 329,840.13 = 131,572.71 : x
  2. Step 2: Convert to fraction form
    239,023.67/329,840.13 = 131,572.71/x
  3. Step 3: Cross multiply
    239,023.67x = 329,840.13 × 131,572.71
  4. Step 4: Simplify right side
    239,023.67x = 43,397,959,770.85
  5. Step 5: Solve for x
    x = 43,397,959,770.85/239,023.67
  6. Step 6: Final answer
    x = 181,563.44

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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.