Home / 153,009.80-229,514.70-135,951.20

Finding the Fourth Proportional to 153,009.80, 229,514.70 and 135,951.20

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Solution

The fourth proportional to 153,009.80, 229,514.70 and 135,951.20 is: 203,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,009.80 : 229,514.70 = 135,951.20 : x
  2. Step 2: Convert to fraction form
    153,009.80/229,514.70 = 135,951.20/x
  3. Step 3: Cross multiply
    153,009.80x = 229,514.70 × 135,951.20
  4. Step 4: Simplify right side
    153,009.80x = 31,202,798,882.64
  5. Step 5: Solve for x
    x = 31,202,798,882.64/153,009.80
  6. Step 6: Final answer
    x = 203,926.80

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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.