Home / 230,892.92-346,359.12-81,120.20

Finding the Fourth Proportional to 230,892.92, 346,359.12 and 81,120.20

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Solution

The fourth proportional to 230,892.92, 346,359.12 and 81,120.20 is: 121,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,892.92 : 346,359.12 = 81,120.20 : x
  2. Step 2: Convert to fraction form
    230,892.92/346,359.12 = 81,120.20/x
  3. Step 3: Cross multiply
    230,892.92x = 346,359.12 × 81,120.20
  4. Step 4: Simplify right side
    230,892.92x = 28,096,721,086.22
  5. Step 5: Solve for x
    x = 28,096,721,086.22/230,892.92
  6. Step 6: Final answer
    x = 121,687.24

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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.