Home / 135,645.67-187,200.62-75,222.10

Finding the Fourth Proportional to 135,645.67, 187,200.62 and 75,222.10

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Solution

The fourth proportional to 135,645.67, 187,200.62 and 75,222.10 is: 103,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,645.67 : 187,200.62 = 75,222.10 : x
  2. Step 2: Convert to fraction form
    135,645.67/187,200.62 = 75,222.10/x
  3. Step 3: Cross multiply
    135,645.67x = 187,200.62 × 75,222.10
  4. Step 4: Simplify right side
    135,645.67x = 14,081,623,757.70
  5. Step 5: Solve for x
    x = 14,081,623,757.70/135,645.67
  6. Step 6: Final answer
    x = 103,811.82

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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.