Home / 161,765.40-242,648.10-136,104.60

Finding the Fourth Proportional to 161,765.40, 242,648.10 and 136,104.60

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Solution

The fourth proportional to 161,765.40, 242,648.10 and 136,104.60 is: 204,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765.40 : 242,648.10 = 136,104.60 : x
  2. Step 2: Convert to fraction form
    161,765.40/242,648.10 = 136,104.60/x
  3. Step 3: Cross multiply
    161,765.40x = 242,648.10 × 136,104.60
  4. Step 4: Simplify right side
    161,765.40x = 33,025,522,591.26
  5. Step 5: Solve for x
    x = 33,025,522,591.26/161,765.40
  6. Step 6: Final answer
    x = 204,156.90

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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.