Home / 148,624.14-222,555.60-81,990.20

Finding the Fourth Proportional to 148,624.14, 222,555.60 and 81,990.20

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Solution

The fourth proportional to 148,624.14, 222,555.60 and 81,990.20 is: 122,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,624.14 : 222,555.60 = 81,990.20 : x
  2. Step 2: Convert to fraction form
    148,624.14/222,555.60 = 81,990.20/x
  3. Step 3: Cross multiply
    148,624.14x = 222,555.60 × 81,990.20
  4. Step 4: Simplify right side
    148,624.14x = 18,247,378,155.12
  5. Step 5: Solve for x
    x = 18,247,378,155.12/148,624.14
  6. Step 6: Final answer
    x = 122,775.33

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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.