Home / 135,231.84-202,876.72-40,469.33

Finding the Fourth Proportional to 135,231.84, 202,876.72 and 40,469.33

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Solution

The fourth proportional to 135,231.84, 202,876.72 and 40,469.33 is: 60,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,231.84 : 202,876.72 = 40,469.33 : x
  2. Step 2: Convert to fraction form
    135,231.84/202,876.72 = 40,469.33/x
  3. Step 3: Cross multiply
    135,231.84x = 202,876.72 × 40,469.33
  4. Step 4: Simplify right side
    135,231.84x = 8,210,285,337.02
  5. Step 5: Solve for x
    x = 8,210,285,337.02/135,231.84
  6. Step 6: Final answer
    x = 60,712.66

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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.