Home / 239,440.78-330,443.13-132,010.63

Finding the Fourth Proportional to 239,440.78, 330,443.13 and 132,010.63

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Solution

The fourth proportional to 239,440.78, 330,443.13 and 132,010.63 is: 182,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,440.78 : 330,443.13 = 132,010.63 : x
  2. Step 2: Convert to fraction form
    239,440.78/330,443.13 = 132,010.63/x
  3. Step 3: Cross multiply
    239,440.78x = 330,443.13 × 132,010.63
  4. Step 4: Simplify right side
    239,440.78x = 43,622,005,770.47
  5. Step 5: Solve for x
    x = 43,622,005,770.47/239,440.78
  6. Step 6: Final answer
    x = 182,182.86

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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.