Home / 161,451.10-242,067.30-82,500.40

Finding the Fourth Proportional to 161,451.10, 242,067.30 and 82,500.40

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Solution

The fourth proportional to 161,451.10, 242,067.30 and 82,500.40 is: 123,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,451.10 : 242,067.30 = 82,500.40 : x
  2. Step 2: Convert to fraction form
    161,451.10/242,067.30 = 82,500.40/x
  3. Step 3: Cross multiply
    161,451.10x = 242,067.30 × 82,500.40
  4. Step 4: Simplify right side
    161,451.10x = 19,970,649,076.92
  5. Step 5: Solve for x
    x = 19,970,649,076.92/161,451.10
  6. Step 6: Final answer
    x = 123,694.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.