Home / 198,629.20-297,943.80-119,897.20

Finding the Fourth Proportional to 198,629.20, 297,943.80 and 119,897.20

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Solution

The fourth proportional to 198,629.20, 297,943.80 and 119,897.20 is: 179,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,629.20 : 297,943.80 = 119,897.20 : x
  2. Step 2: Convert to fraction form
    198,629.20/297,943.80 = 119,897.20/x
  3. Step 3: Cross multiply
    198,629.20x = 297,943.80 × 119,897.20
  4. Step 4: Simplify right side
    198,629.20x = 35,722,627,377.36
  5. Step 5: Solve for x
    x = 35,722,627,377.36/198,629.20
  6. Step 6: Final answer
    x = 179,845.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.