Home / 204,403.10-306,640.49-84,459.51

Finding the Fourth Proportional to 204,403.10, 306,640.49 and 84,459.51

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Solution

The fourth proportional to 204,403.10, 306,640.49 and 84,459.51 is: 126,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,403.10 : 306,640.49 = 84,459.51 : x
  2. Step 2: Convert to fraction form
    204,403.10/306,640.49 = 84,459.51/x
  3. Step 3: Cross multiply
    204,403.10x = 306,640.49 × 84,459.51
  4. Step 4: Simplify right side
    204,403.10x = 25,898,705,109.26
  5. Step 5: Solve for x
    x = 25,898,705,109.26/204,403.10
  6. Step 6: Final answer
    x = 126,704.08

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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.