Home / 103,760.26-155,702.28-53,839.96

Finding the Fourth Proportional to 103,760.26, 155,702.28 and 53,839.96

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Solution

The fourth proportional to 103,760.26, 155,702.28 and 53,839.96 is: 80,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,760.26 : 155,702.28 = 53,839.96 : x
  2. Step 2: Convert to fraction form
    103,760.26/155,702.28 = 53,839.96/x
  3. Step 3: Cross multiply
    103,760.26x = 155,702.28 × 53,839.96
  4. Step 4: Simplify right side
    103,760.26x = 8,383,004,339.75
  5. Step 5: Solve for x
    x = 8,383,004,339.75/103,760.26
  6. Step 6: Final answer
    x = 80,792.05

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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.