Home / 239,023.57-329,840-131,572.62

Finding the Fourth Proportional to 239,023.57, 329,840 and 131,572.62

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Solution

The fourth proportional to 239,023.57, 329,840 and 131,572.62 is: 181,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,023.57 : 329,840 = 131,572.62 : x
  2. Step 2: Convert to fraction form
    239,023.57/329,840 = 131,572.62/x
  3. Step 3: Cross multiply
    239,023.57x = 329,840 × 131,572.62
  4. Step 4: Simplify right side
    239,023.57x = 43,397,912,980.80
  5. Step 5: Solve for x
    x = 43,397,912,980.80/239,023.57
  6. Step 6: Final answer
    x = 181,563.32

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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.