Home / 239,501.72-330,507.78-132,081.68

Finding the Fourth Proportional to 239,501.72, 330,507.78 and 132,081.68

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Solution

The fourth proportional to 239,501.72, 330,507.78 and 132,081.68 is: 182,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,501.72 : 330,507.78 = 132,081.68 : x
  2. Step 2: Convert to fraction form
    239,501.72/330,507.78 = 132,081.68/x
  3. Step 3: Cross multiply
    239,501.72x = 330,507.78 × 132,081.68
  4. Step 4: Simplify right side
    239,501.72x = 43,654,023,166.43
  5. Step 5: Solve for x
    x = 43,654,023,166.43/239,501.72
  6. Step 6: Final answer
    x = 182,270.18

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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.