Home / 148,409.28-222,212.16-108,665.28

Finding the Fourth Proportional to 148,409.28, 222,212.16 and 108,665.28

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Solution

The fourth proportional to 148,409.28, 222,212.16 and 108,665.28 is: 162,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,409.28 : 222,212.16 = 108,665.28 : x
  2. Step 2: Convert to fraction form
    148,409.28/222,212.16 = 108,665.28/x
  3. Step 3: Cross multiply
    148,409.28x = 222,212.16 × 108,665.28
  4. Step 4: Simplify right side
    148,409.28x = 24,146,746,585.80
  5. Step 5: Solve for x
    x = 24,146,746,585.80/148,409.28
  6. Step 6: Final answer
    x = 162,703.75

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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.