Home / 123,537.35-170,481.53-66,948.72

Finding the Fourth Proportional to 123,537.35, 170,481.53 and 66,948.72

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Solution

The fourth proportional to 123,537.35, 170,481.53 and 66,948.72 is: 92,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537.35 : 170,481.53 = 66,948.72 : x
  2. Step 2: Convert to fraction form
    123,537.35/170,481.53 = 66,948.72/x
  3. Step 3: Cross multiply
    123,537.35x = 170,481.53 × 66,948.72
  4. Step 4: Simplify right side
    123,537.35x = 11,413,519,882.40
  5. Step 5: Solve for x
    x = 11,413,519,882.40/123,537.35
  6. Step 6: Final answer
    x = 92,389.23

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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.