Home / 198,385.47-273,777.30-116,719.43

Finding the Fourth Proportional to 198,385.47, 273,777.30 and 116,719.43

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Solution

The fourth proportional to 198,385.47, 273,777.30 and 116,719.43 is: 161,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,385.47 : 273,777.30 = 116,719.43 : x
  2. Step 2: Convert to fraction form
    198,385.47/273,777.30 = 116,719.43/x
  3. Step 3: Cross multiply
    198,385.47x = 273,777.30 × 116,719.43
  4. Step 4: Simplify right side
    198,385.47x = 31,955,129,034.05
  5. Step 5: Solve for x
    x = 31,955,129,034.05/198,385.47
  6. Step 6: Final answer
    x = 161,075.95

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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.