Home / 199,731.62-275,631.72-109,090.20

Finding the Fourth Proportional to 199,731.62, 275,631.72 and 109,090.20

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Solution

The fourth proportional to 199,731.62, 275,631.72 and 109,090.20 is: 150,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,731.62 : 275,631.72 = 109,090.20 : x
  2. Step 2: Convert to fraction form
    199,731.62/275,631.72 = 109,090.20/x
  3. Step 3: Cross multiply
    199,731.62x = 275,631.72 × 109,090.20
  4. Step 4: Simplify right side
    199,731.62x = 30,068,719,461.14
  5. Step 5: Solve for x
    x = 30,068,719,461.14/199,731.62
  6. Step 6: Final answer
    x = 150,545.61

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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.