Home / 121,233.10-167,346.57-104,169.10

Finding the Fourth Proportional to 121,233.10, 167,346.57 and 104,169.10

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Solution

The fourth proportional to 121,233.10, 167,346.57 and 104,169.10 is: 143,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,233.10 : 167,346.57 = 104,169.10 : x
  2. Step 2: Convert to fraction form
    121,233.10/167,346.57 = 104,169.10/x
  3. Step 3: Cross multiply
    121,233.10x = 167,346.57 × 104,169.10
  4. Step 4: Simplify right side
    121,233.10x = 17,432,341,584.99
  5. Step 5: Solve for x
    x = 17,432,341,584.99/121,233.10
  6. Step 6: Final answer
    x = 143,791.93

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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.