Home / 239,023.92-329,840.48-131,572.97

Finding the Fourth Proportional to 239,023.92, 329,840.48 and 131,572.97

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Solution

The fourth proportional to 239,023.92, 329,840.48 and 131,572.97 is: 181,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,023.92 : 329,840.48 = 131,572.97 : x
  2. Step 2: Convert to fraction form
    239,023.92/329,840.48 = 131,572.97/x
  3. Step 3: Cross multiply
    239,023.92x = 329,840.48 × 131,572.97
  4. Step 4: Simplify right side
    239,023.92x = 43,398,089,272.76
  5. Step 5: Solve for x
    x = 43,398,089,272.76/239,023.92
  6. Step 6: Final answer
    x = 181,563.79

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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.