Home / 123,209.12-183,922.40-108,262.38

Finding the Fourth Proportional to 123,209.12, 183,922.40 and 108,262.38

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Solution

The fourth proportional to 123,209.12, 183,922.40 and 108,262.38 is: 161,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,209.12 : 183,922.40 = 108,262.38 : x
  2. Step 2: Convert to fraction form
    123,209.12/183,922.40 = 108,262.38/x
  3. Step 3: Cross multiply
    123,209.12x = 183,922.40 × 108,262.38
  4. Step 4: Simplify right side
    123,209.12x = 19,911,876,759.31
  5. Step 5: Solve for x
    x = 19,911,876,759.31/123,209.12
  6. Step 6: Final answer
    x = 161,610.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.