Home / 123,537.09-170,481.33-66,948.47

Finding the Fourth Proportional to 123,537.09, 170,481.33 and 66,948.47

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Solution

The fourth proportional to 123,537.09, 170,481.33 and 66,948.47 is: 92,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537.09 : 170,481.33 = 66,948.47 : x
  2. Step 2: Convert to fraction form
    123,537.09/170,481.33 = 66,948.47/x
  3. Step 3: Cross multiply
    123,537.09x = 170,481.33 × 66,948.47
  4. Step 4: Simplify right side
    123,537.09x = 11,413,463,354.66
  5. Step 5: Solve for x
    x = 11,413,463,354.66/123,537.09
  6. Step 6: Final answer
    x = 92,388.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.