Home / 153,321.21-229,982.81-53,481.02

Finding the Fourth Proportional to 153,321.21, 229,982.81 and 53,481.02

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Solution

The fourth proportional to 153,321.21, 229,982.81 and 53,481.02 is: 80,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,321.21 : 229,982.81 = 53,481.02 : x
  2. Step 2: Convert to fraction form
    153,321.21/229,982.81 = 53,481.02/x
  3. Step 3: Cross multiply
    153,321.21x = 229,982.81 × 53,481.02
  4. Step 4: Simplify right side
    153,321.21x = 12,299,713,843.95
  5. Step 5: Solve for x
    x = 12,299,713,843.95/153,321.21
  6. Step 6: Final answer
    x = 80,221.87

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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.