Home / 198,179.38-273,714.69-130,498.93

Finding the Fourth Proportional to 198,179.38, 273,714.69 and 130,498.93

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Solution

The fourth proportional to 198,179.38, 273,714.69 and 130,498.93 is: 180,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,179.38 : 273,714.69 = 130,498.93 : x
  2. Step 2: Convert to fraction form
    198,179.38/273,714.69 = 130,498.93/x
  3. Step 3: Cross multiply
    198,179.38x = 273,714.69 × 130,498.93
  4. Step 4: Simplify right side
    198,179.38x = 35,719,474,170.28
  5. Step 5: Solve for x
    x = 35,719,474,170.28/198,179.38
  6. Step 6: Final answer
    x = 180,238.10

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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.