Home / 239,832.96-330,960.78-132,400.69

Finding the Fourth Proportional to 239,832.96, 330,960.78 and 132,400.69

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Solution

The fourth proportional to 239,832.96, 330,960.78 and 132,400.69 is: 182,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,832.96 : 330,960.78 = 132,400.69 : x
  2. Step 2: Convert to fraction form
    239,832.96/330,960.78 = 132,400.69/x
  3. Step 3: Cross multiply
    239,832.96x = 330,960.78 × 132,400.69
  4. Step 4: Simplify right side
    239,832.96x = 43,819,433,980.13
  5. Step 5: Solve for x
    x = 43,819,433,980.13/239,832.96
  6. Step 6: Final answer
    x = 182,708.14

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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.