Home / 135,992.25-203,995.67-42,505.29

Finding the Fourth Proportional to 135,992.25, 203,995.67 and 42,505.29

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Solution

The fourth proportional to 135,992.25, 203,995.67 and 42,505.29 is: 63,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,992.25 : 203,995.67 = 42,505.29 : x
  2. Step 2: Convert to fraction form
    135,992.25/203,995.67 = 42,505.29/x
  3. Step 3: Cross multiply
    135,992.25x = 203,995.67 × 42,505.29
  4. Step 4: Simplify right side
    135,992.25x = 8,670,894,899.57
  5. Step 5: Solve for x
    x = 8,670,894,899.57/135,992.25
  6. Step 6: Final answer
    x = 63,760.21

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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.