Home / 155,963.60-233,617.35-129,719.60

Finding the Fourth Proportional to 155,963.60, 233,617.35 and 129,719.60

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Solution

The fourth proportional to 155,963.60, 233,617.35 and 129,719.60 is: 194,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,963.60 : 233,617.35 = 129,719.60 : x
  2. Step 2: Convert to fraction form
    155,963.60/233,617.35 = 129,719.60/x
  3. Step 3: Cross multiply
    155,963.60x = 233,617.35 × 129,719.60
  4. Step 4: Simplify right side
    155,963.60x = 30,304,749,195.06
  5. Step 5: Solve for x
    x = 30,304,749,195.06/155,963.60
  6. Step 6: Final answer
    x = 194,306.55

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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.