Home / 239,425.38-330,409.26-131,999.22

Finding the Fourth Proportional to 239,425.38, 330,409.26 and 131,999.22

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Solution

The fourth proportional to 239,425.38, 330,409.26 and 131,999.22 is: 182,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,425.38 : 330,409.26 = 131,999.22 : x
  2. Step 2: Convert to fraction form
    239,425.38/330,409.26 = 131,999.22/x
  3. Step 3: Cross multiply
    239,425.38x = 330,409.26 × 131,999.22
  4. Step 4: Simplify right side
    239,425.38x = 43,613,764,600.78
  5. Step 5: Solve for x
    x = 43,613,764,600.78/239,425.38
  6. Step 6: Final answer
    x = 182,160.16

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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.