Home / 148,132.60-222,198.90-138,801.40

Finding the Fourth Proportional to 148,132.60, 222,198.90 and 138,801.40

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Solution

The fourth proportional to 148,132.60, 222,198.90 and 138,801.40 is: 208,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,132.60 : 222,198.90 = 138,801.40 : x
  2. Step 2: Convert to fraction form
    148,132.60/222,198.90 = 138,801.40/x
  3. Step 3: Cross multiply
    148,132.60x = 222,198.90 × 138,801.40
  4. Step 4: Simplify right side
    148,132.60x = 30,841,518,398.46
  5. Step 5: Solve for x
    x = 30,841,518,398.46/148,132.60
  6. Step 6: Final answer
    x = 208,202.10

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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.