Home / 198,750.24-274,213.98-121,242.27

Finding the Fourth Proportional to 198,750.24, 274,213.98 and 121,242.27

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Solution

The fourth proportional to 198,750.24, 274,213.98 and 121,242.27 is: 167,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,750.24 : 274,213.98 = 121,242.27 : x
  2. Step 2: Convert to fraction form
    198,750.24/274,213.98 = 121,242.27/x
  3. Step 3: Cross multiply
    198,750.24x = 274,213.98 × 121,242.27
  4. Step 4: Simplify right side
    198,750.24x = 33,246,325,400.93
  5. Step 5: Solve for x
    x = 33,246,325,400.93/198,750.24
  6. Step 6: Final answer
    x = 167,276.91

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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.