Home / 148,317.30-222,377.67-81,789.30

Finding the Fourth Proportional to 148,317.30, 222,377.67 and 81,789.30

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Solution

The fourth proportional to 148,317.30, 222,377.67 and 81,789.30 is: 122,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,317.30 : 222,377.67 = 81,789.30 : x
  2. Step 2: Convert to fraction form
    148,317.30/222,377.67 = 81,789.30/x
  3. Step 3: Cross multiply
    148,317.30x = 222,377.67 × 81,789.30
  4. Step 4: Simplify right side
    148,317.30x = 18,188,113,964.93
  5. Step 5: Solve for x
    x = 18,188,113,964.93/148,317.30
  6. Step 6: Final answer
    x = 122,629.75

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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.