Home / 123,175.27-169,982.31-66,586.65

Finding the Fourth Proportional to 123,175.27, 169,982.31 and 66,586.65

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Solution

The fourth proportional to 123,175.27, 169,982.31 and 66,586.65 is: 91,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,175.27 : 169,982.31 = 66,586.65 : x
  2. Step 2: Convert to fraction form
    123,175.27/169,982.31 = 66,586.65/x
  3. Step 3: Cross multiply
    123,175.27x = 169,982.31 × 66,586.65
  4. Step 4: Simplify right side
    123,175.27x = 11,318,552,582.16
  5. Step 5: Solve for x
    x = 11,318,552,582.16/123,175.27
  6. Step 6: Final answer
    x = 91,889.81

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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.