Home / 148,039.20-222,091.47-69,110.37

Finding the Fourth Proportional to 148,039.20, 222,091.47 and 69,110.37

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Solution

The fourth proportional to 148,039.20, 222,091.47 and 69,110.37 is: 103,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.20 : 222,091.47 = 69,110.37 : x
  2. Step 2: Convert to fraction form
    148,039.20/222,091.47 = 69,110.37/x
  3. Step 3: Cross multiply
    148,039.20x = 222,091.47 × 69,110.37
  4. Step 4: Simplify right side
    148,039.20x = 15,348,823,665.54
  5. Step 5: Solve for x
    x = 15,348,823,665.54/148,039.20
  6. Step 6: Final answer
    x = 103,680.81

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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.