Home / 148,205.80-222,308.70-137,708.20

Finding the Fourth Proportional to 148,205.80, 222,308.70 and 137,708.20

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Solution

The fourth proportional to 148,205.80, 222,308.70 and 137,708.20 is: 206,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,205.80 : 222,308.70 = 137,708.20 : x
  2. Step 2: Convert to fraction form
    148,205.80/222,308.70 = 137,708.20/x
  3. Step 3: Cross multiply
    148,205.80x = 222,308.70 × 137,708.20
  4. Step 4: Simplify right side
    148,205.80x = 30,613,730,921.34
  5. Step 5: Solve for x
    x = 30,613,730,921.34/148,205.80
  6. Step 6: Final answer
    x = 206,562.30

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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.