Home / 84,083.76-126,169.44-34,200.72

Finding the Fourth Proportional to 84,083.76, 126,169.44 and 34,200.72

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Solution

The fourth proportional to 84,083.76, 126,169.44 and 34,200.72 is: 51,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,083.76 : 126,169.44 = 34,200.72 : x
  2. Step 2: Convert to fraction form
    84,083.76/126,169.44 = 34,200.72/x
  3. Step 3: Cross multiply
    84,083.76x = 126,169.44 × 34,200.72
  4. Step 4: Simplify right side
    84,083.76x = 4,315,085,690.00
  5. Step 5: Solve for x
    x = 4,315,085,690.00/84,083.76
  6. Step 6: Final answer
    x = 51,318.90

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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.