Home / 148,001.40-222,002.10-131,671.80

Finding the Fourth Proportional to 148,001.40, 222,002.10 and 131,671.80

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Solution

The fourth proportional to 148,001.40, 222,002.10 and 131,671.80 is: 197,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.40 : 222,002.10 = 131,671.80 : x
  2. Step 2: Convert to fraction form
    148,001.40/222,002.10 = 131,671.80/x
  3. Step 3: Cross multiply
    148,001.40x = 222,002.10 × 131,671.80
  4. Step 4: Simplify right side
    148,001.40x = 29,231,416,110.78
  5. Step 5: Solve for x
    x = 29,231,416,110.78/148,001.40
  6. Step 6: Final answer
    x = 197,507.70

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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.