Home / 172,918.14-238,645.38-101,358.29

Finding the Fourth Proportional to 172,918.14, 238,645.38 and 101,358.29

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Solution

The fourth proportional to 172,918.14, 238,645.38 and 101,358.29 is: 139,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,918.14 : 238,645.38 = 101,358.29 : x
  2. Step 2: Convert to fraction form
    172,918.14/238,645.38 = 101,358.29/x
  3. Step 3: Cross multiply
    172,918.14x = 238,645.38 × 101,358.29
  4. Step 4: Simplify right side
    172,918.14x = 24,188,686,439.97
  5. Step 5: Solve for x
    x = 24,188,686,439.97/172,918.14
  6. Step 6: Final answer
    x = 139,885.19

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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.