Home / 239,427.88-330,412.71-132,001.72

Finding the Fourth Proportional to 239,427.88, 330,412.71 and 132,001.72

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Solution

The fourth proportional to 239,427.88, 330,412.71 and 132,001.72 is: 182,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,427.88 : 330,412.71 = 132,001.72 : x
  2. Step 2: Convert to fraction form
    239,427.88/330,412.71 = 132,001.72/x
  3. Step 3: Cross multiply
    239,427.88x = 330,412.71 × 132,001.72
  4. Step 4: Simplify right side
    239,427.88x = 43,615,046,029.86
  5. Step 5: Solve for x
    x = 43,615,046,029.86/239,427.88
  6. Step 6: Final answer
    x = 182,163.61

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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.