Home / 198,406.06-273,641.98-130,492.72

Finding the Fourth Proportional to 198,406.06, 273,641.98 and 130,492.72

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Solution

The fourth proportional to 198,406.06, 273,641.98 and 130,492.72 is: 179,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,406.06 : 273,641.98 = 130,492.72 : x
  2. Step 2: Convert to fraction form
    198,406.06/273,641.98 = 130,492.72/x
  3. Step 3: Cross multiply
    198,406.06x = 273,641.98 × 130,492.72
  4. Step 4: Simplify right side
    198,406.06x = 35,708,286,276.39
  5. Step 5: Solve for x
    x = 35,708,286,276.39/198,406.06
  6. Step 6: Final answer
    x = 179,975.78

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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.