Home / 239,387.38-330,418.16-141,356.52

Finding the Fourth Proportional to 239,387.38, 330,418.16 and 141,356.52

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Solution

The fourth proportional to 239,387.38, 330,418.16 and 141,356.52 is: 195,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,387.38 : 330,418.16 = 141,356.52 : x
  2. Step 2: Convert to fraction form
    239,387.38/330,418.16 = 141,356.52/x
  3. Step 3: Cross multiply
    239,387.38x = 330,418.16 × 141,356.52
  4. Step 4: Simplify right side
    239,387.38x = 46,706,761,242.40
  5. Step 5: Solve for x
    x = 46,706,761,242.40/239,387.38
  6. Step 6: Final answer
    x = 195,109.54

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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.