Home / 239,351.12-330,302.72-131,921.36

Finding the Fourth Proportional to 239,351.12, 330,302.72 and 131,921.36

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Solution

The fourth proportional to 239,351.12, 330,302.72 and 131,921.36 is: 182,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,351.12 : 330,302.72 = 131,921.36 : x
  2. Step 2: Convert to fraction form
    239,351.12/330,302.72 = 131,921.36/x
  3. Step 3: Cross multiply
    239,351.12x = 330,302.72 × 131,921.36
  4. Step 4: Simplify right side
    239,351.12x = 43,573,984,034.10
  5. Step 5: Solve for x
    x = 43,573,984,034.10/239,351.12
  6. Step 6: Final answer
    x = 182,050.47

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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.