Home / 155,959.90-233,721.15-137,151.70

Finding the Fourth Proportional to 155,959.90, 233,721.15 and 137,151.70

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Solution

The fourth proportional to 155,959.90, 233,721.15 and 137,151.70 is: 205,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,959.90 : 233,721.15 = 137,151.70 : x
  2. Step 2: Convert to fraction form
    155,959.90/233,721.15 = 137,151.70/x
  3. Step 3: Cross multiply
    155,959.90x = 233,721.15 × 137,151.70
  4. Step 4: Simplify right side
    155,959.90x = 32,055,253,048.46
  5. Step 5: Solve for x
    x = 32,055,253,048.46/155,959.90
  6. Step 6: Final answer
    x = 205,535.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.