Home / 198,947.43-274,539.02-108,301.50

Finding the Fourth Proportional to 198,947.43, 274,539.02 and 108,301.50

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Solution

The fourth proportional to 198,947.43, 274,539.02 and 108,301.50 is: 149,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,947.43 : 274,539.02 = 108,301.50 : x
  2. Step 2: Convert to fraction form
    198,947.43/274,539.02 = 108,301.50/x
  3. Step 3: Cross multiply
    198,947.43x = 274,539.02 × 108,301.50
  4. Step 4: Simplify right side
    198,947.43x = 29,732,987,133.02
  5. Step 5: Solve for x
    x = 29,732,987,133.02/198,947.43
  6. Step 6: Final answer
    x = 149,451.48

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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.