Home / 121,360.38-167,096.21-103,175.33

Finding the Fourth Proportional to 121,360.38, 167,096.21 and 103,175.33

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Solution

The fourth proportional to 121,360.38, 167,096.21 and 103,175.33 is: 142,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360.38 : 167,096.21 = 103,175.33 : x
  2. Step 2: Convert to fraction form
    121,360.38/167,096.21 = 103,175.33/x
  3. Step 3: Cross multiply
    121,360.38x = 167,096.21 × 103,175.33
  4. Step 4: Simplify right side
    121,360.38x = 17,240,205,257.14
  5. Step 5: Solve for x
    x = 17,240,205,257.14/121,360.38
  6. Step 6: Final answer
    x = 142,057.94

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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.