Home / 198,427.04-273,901.20-131,380.64

Finding the Fourth Proportional to 198,427.04, 273,901.20 and 131,380.64

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Solution

The fourth proportional to 198,427.04, 273,901.20 and 131,380.64 is: 181,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427.04 : 273,901.20 = 131,380.64 : x
  2. Step 2: Convert to fraction form
    198,427.04/273,901.20 = 131,380.64/x
  3. Step 3: Cross multiply
    198,427.04x = 273,901.20 × 131,380.64
  4. Step 4: Simplify right side
    198,427.04x = 35,985,314,952.77
  5. Step 5: Solve for x
    x = 35,985,314,952.77/198,427.04
  6. Step 6: Final answer
    x = 181,352.88

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1.5x scale

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.