Home / 135,618.45-187,164.55-75,208.04

Finding the Fourth Proportional to 135,618.45, 187,164.55 and 75,208.04

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Solution

The fourth proportional to 135,618.45, 187,164.55 and 75,208.04 is: 103,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,618.45 : 187,164.55 = 75,208.04 : x
  2. Step 2: Convert to fraction form
    135,618.45/187,164.55 = 75,208.04/x
  3. Step 3: Cross multiply
    135,618.45x = 187,164.55 × 75,208.04
  4. Step 4: Simplify right side
    135,618.45x = 14,076,279,524.90
  5. Step 5: Solve for x
    x = 14,076,279,524.90/135,618.45
  6. Step 6: Final answer
    x = 103,793.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.