Home / 135,611.25-203,416.89-52,505.25

Finding the Fourth Proportional to 135,611.25, 203,416.89 and 52,505.25

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Solution

The fourth proportional to 135,611.25, 203,416.89 and 52,505.25 is: 78,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,611.25 : 203,416.89 = 52,505.25 : x
  2. Step 2: Convert to fraction form
    135,611.25/203,416.89 = 52,505.25/x
  3. Step 3: Cross multiply
    135,611.25x = 203,416.89 × 52,505.25
  4. Step 4: Simplify right side
    135,611.25x = 10,680,454,663.67
  5. Step 5: Solve for x
    x = 10,680,454,663.67/135,611.25
  6. Step 6: Final answer
    x = 78,757.88

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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.