Home / 148,321.62-222,560.88-80,902.35

Finding the Fourth Proportional to 148,321.62, 222,560.88 and 80,902.35

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Solution

The fourth proportional to 148,321.62, 222,560.88 and 80,902.35 is: 121,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,321.62 : 222,560.88 = 80,902.35 : x
  2. Step 2: Convert to fraction form
    148,321.62/222,560.88 = 80,902.35/x
  3. Step 3: Cross multiply
    148,321.62x = 222,560.88 × 80,902.35
  4. Step 4: Simplify right side
    148,321.62x = 18,005,698,210.07
  5. Step 5: Solve for x
    x = 18,005,698,210.07/148,321.62
  6. Step 6: Final answer
    x = 121,396.32

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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.