Home / 136,480.56-204,623.88-52,169.70

Finding the Fourth Proportional to 136,480.56, 204,623.88 and 52,169.70

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Solution

The fourth proportional to 136,480.56, 204,623.88 and 52,169.70 is: 78,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,480.56 : 204,623.88 = 52,169.70 : x
  2. Step 2: Convert to fraction form
    136,480.56/204,623.88 = 52,169.70/x
  3. Step 3: Cross multiply
    136,480.56x = 204,623.88 × 52,169.70
  4. Step 4: Simplify right side
    136,480.56x = 10,675,166,432.44
  5. Step 5: Solve for x
    x = 10,675,166,432.44/136,480.56
  6. Step 6: Final answer
    x = 78,217.49

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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.