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Finding the Fourth Proportional to 169,786.26, 254,521.04 and 57,388.29

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Solution

The fourth proportional to 169,786.26, 254,521.04 and 57,388.29 is: 86,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,786.26 : 254,521.04 = 57,388.29 : x
  2. Step 2: Convert to fraction form
    169,786.26/254,521.04 = 57,388.29/x
  3. Step 3: Cross multiply
    169,786.26x = 254,521.04 × 57,388.29
  4. Step 4: Simplify right side
    169,786.26x = 14,606,526,013.23
  5. Step 5: Solve for x
    x = 14,606,526,013.23/169,786.26
  6. Step 6: Final answer
    x = 86,028.90

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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.