Home / 204,269.55-306,305.91-71,146.86

Finding the Fourth Proportional to 204,269.55, 306,305.91 and 71,146.86

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Solution

The fourth proportional to 204,269.55, 306,305.91 and 71,146.86 is: 106,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,269.55 : 306,305.91 = 71,146.86 : x
  2. Step 2: Convert to fraction form
    204,269.55/306,305.91 = 71,146.86/x
  3. Step 3: Cross multiply
    204,269.55x = 306,305.91 × 71,146.86
  4. Step 4: Simplify right side
    204,269.55x = 21,792,703,695.94
  5. Step 5: Solve for x
    x = 21,792,703,695.94/204,269.55
  6. Step 6: Final answer
    x = 106,686.01

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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.