Home / 239,012.71-329,839.74-131,584.52

Finding the Fourth Proportional to 239,012.71, 329,839.74 and 131,584.52

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Solution

The fourth proportional to 239,012.71, 329,839.74 and 131,584.52 is: 181,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,012.71 : 329,839.74 = 131,584.52 : x
  2. Step 2: Convert to fraction form
    239,012.71/329,839.74 = 131,584.52/x
  3. Step 3: Cross multiply
    239,012.71x = 329,839.74 × 131,584.52
  4. Step 4: Simplify right side
    239,012.71x = 43,401,804,689.42
  5. Step 5: Solve for x
    x = 43,401,804,689.42/239,012.71
  6. Step 6: Final answer
    x = 181,587.85

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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.