Home / 204,799.32-307,083.24-84,788.40

Finding the Fourth Proportional to 204,799.32, 307,083.24 and 84,788.40

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Solution

The fourth proportional to 204,799.32, 307,083.24 and 84,788.40 is: 127,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,799.32 : 307,083.24 = 84,788.40 : x
  2. Step 2: Convert to fraction form
    204,799.32/307,083.24 = 84,788.40/x
  3. Step 3: Cross multiply
    204,799.32x = 307,083.24 × 84,788.40
  4. Step 4: Simplify right side
    204,799.32x = 26,037,096,586.42
  5. Step 5: Solve for x
    x = 26,037,096,586.42/204,799.32
  6. Step 6: Final answer
    x = 127,134.68

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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.