Home / 148,614.13-222,540.60-81,980.20

Finding the Fourth Proportional to 148,614.13, 222,540.60 and 81,980.20

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Solution

The fourth proportional to 148,614.13, 222,540.60 and 81,980.20 is: 122,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,614.13 : 222,540.60 = 81,980.20 : x
  2. Step 2: Convert to fraction form
    148,614.13/222,540.60 = 81,980.20/x
  3. Step 3: Cross multiply
    148,614.13x = 222,540.60 × 81,980.20
  4. Step 4: Simplify right side
    148,614.13x = 18,243,922,896.12
  5. Step 5: Solve for x
    x = 18,243,922,896.12/148,614.13
  6. Step 6: Final answer
    x = 122,760.35

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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.