Home / 148,531.26-222,537.69-123,730.68

Finding the Fourth Proportional to 148,531.26, 222,537.69 and 123,730.68

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Solution

The fourth proportional to 148,531.26, 222,537.69 and 123,730.68 is: 185,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,531.26 : 222,537.69 = 123,730.68 : x
  2. Step 2: Convert to fraction form
    148,531.26/222,537.69 = 123,730.68/x
  3. Step 3: Cross multiply
    148,531.26x = 222,537.69 × 123,730.68
  4. Step 4: Simplify right side
    148,531.26x = 27,534,739,709.33
  5. Step 5: Solve for x
    x = 27,534,739,709.33/148,531.26
  6. Step 6: Final answer
    x = 185,380.10

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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.