Home / 148,003.60-222,005.40-77,144.80

Finding the Fourth Proportional to 148,003.60, 222,005.40 and 77,144.80

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Solution

The fourth proportional to 148,003.60, 222,005.40 and 77,144.80 is: 115,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003.60 : 222,005.40 = 77,144.80 : x
  2. Step 2: Convert to fraction form
    148,003.60/222,005.40 = 77,144.80/x
  3. Step 3: Cross multiply
    148,003.60x = 222,005.40 × 77,144.80
  4. Step 4: Simplify right side
    148,003.60x = 17,126,562,181.92
  5. Step 5: Solve for x
    x = 17,126,562,181.92/148,003.60
  6. Step 6: Final answer
    x = 115,717.20

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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.