Home / 153,009.40-229,514.10-82,150.60

Finding the Fourth Proportional to 153,009.40, 229,514.10 and 82,150.60

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Solution

The fourth proportional to 153,009.40, 229,514.10 and 82,150.60 is: 123,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,009.40 : 229,514.10 = 82,150.60 : x
  2. Step 2: Convert to fraction form
    153,009.40/229,514.10 = 82,150.60/x
  3. Step 3: Cross multiply
    153,009.40x = 229,514.10 × 82,150.60
  4. Step 4: Simplify right side
    153,009.40x = 18,854,721,023.46
  5. Step 5: Solve for x
    x = 18,854,721,023.46/153,009.40
  6. Step 6: Final answer
    x = 123,225.90

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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.