Home / 214,961.60-322,442.40-136,164.80

Finding the Fourth Proportional to 214,961.60, 322,442.40 and 136,164.80

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Solution

The fourth proportional to 214,961.60, 322,442.40 and 136,164.80 is: 204,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,961.60 : 322,442.40 = 136,164.80 : x
  2. Step 2: Convert to fraction form
    214,961.60/322,442.40 = 136,164.80/x
  3. Step 3: Cross multiply
    214,961.60x = 322,442.40 × 136,164.80
  4. Step 4: Simplify right side
    214,961.60x = 43,905,304,907.52
  5. Step 5: Solve for x
    x = 43,905,304,907.52/214,961.60
  6. Step 6: Final answer
    x = 204,247.20

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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.