Home / 198,418.02-297,533.07-76,895.43

Finding the Fourth Proportional to 198,418.02, 297,533.07 and 76,895.43

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Solution

The fourth proportional to 198,418.02, 297,533.07 and 76,895.43 is: 115,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,418.02 : 297,533.07 = 76,895.43 : x
  2. Step 2: Convert to fraction form
    198,418.02/297,533.07 = 76,895.43/x
  3. Step 3: Cross multiply
    198,418.02x = 297,533.07 × 76,895.43
  4. Step 4: Simplify right side
    198,418.02x = 22,878,933,356.87
  5. Step 5: Solve for x
    x = 22,878,933,356.87/198,418.02
  6. Step 6: Final answer
    x = 115,306.73

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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.