Home / 121,535.03-167,650.94-71,224.31

Finding the Fourth Proportional to 121,535.03, 167,650.94 and 71,224.31

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Solution

The fourth proportional to 121,535.03, 167,650.94 and 71,224.31 is: 98,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535.03 : 167,650.94 = 71,224.31 : x
  2. Step 2: Convert to fraction form
    121,535.03/167,650.94 = 71,224.31/x
  3. Step 3: Cross multiply
    121,535.03x = 167,650.94 × 71,224.31
  4. Step 4: Simplify right side
    121,535.03x = 11,940,821,862.16
  5. Step 5: Solve for x
    x = 11,940,821,862.16/121,535.03
  6. Step 6: Final answer
    x = 98,250.05

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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.