Home / 283,742.28-425,675.69-84,078.29

Finding the Fourth Proportional to 283,742.28, 425,675.69 and 84,078.29

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Solution

The fourth proportional to 283,742.28, 425,675.69 and 84,078.29 is: 126,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,742.28 : 425,675.69 = 84,078.29 : x
  2. Step 2: Convert to fraction form
    283,742.28/425,675.69 = 84,078.29/x
  3. Step 3: Cross multiply
    283,742.28x = 425,675.69 × 84,078.29
  4. Step 4: Simplify right side
    283,742.28x = 35,790,081,561.00
  5. Step 5: Solve for x
    x = 35,790,081,561.00/283,742.28
  6. Step 6: Final answer
    x = 126,135.88

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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.