Home / 155,743.30-233,286.90-126,218.80

Finding the Fourth Proportional to 155,743.30, 233,286.90 and 126,218.80

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Solution

The fourth proportional to 155,743.30, 233,286.90 and 126,218.80 is: 189,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,743.30 : 233,286.90 = 126,218.80 : x
  2. Step 2: Convert to fraction form
    155,743.30/233,286.90 = 126,218.80/x
  3. Step 3: Cross multiply
    155,743.30x = 233,286.90 × 126,218.80
  4. Step 4: Simplify right side
    155,743.30x = 29,445,192,573.72
  5. Step 5: Solve for x
    x = 29,445,192,573.72/155,743.30
  6. Step 6: Final answer
    x = 189,062.34

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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.