Home / 148,049.90-222,074.85-131,720.30

Finding the Fourth Proportional to 148,049.90, 222,074.85 and 131,720.30

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Solution

The fourth proportional to 148,049.90, 222,074.85 and 131,720.30 is: 197,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,049.90 : 222,074.85 = 131,720.30 : x
  2. Step 2: Convert to fraction form
    148,049.90/222,074.85 = 131,720.30/x
  3. Step 3: Cross multiply
    148,049.90x = 222,074.85 × 131,720.30
  4. Step 4: Simplify right side
    148,049.90x = 29,251,765,864.46
  5. Step 5: Solve for x
    x = 29,251,765,864.46/148,049.90
  6. Step 6: Final answer
    x = 197,580.45

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1.5x scale

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.