Home / 135,589.39-203,386.21-51,326.92

Finding the Fourth Proportional to 135,589.39, 203,386.21 and 51,326.92

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Solution

The fourth proportional to 135,589.39, 203,386.21 and 51,326.92 is: 76,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,589.39 : 203,386.21 = 51,326.92 : x
  2. Step 2: Convert to fraction form
    135,589.39/203,386.21 = 51,326.92/x
  3. Step 3: Cross multiply
    135,589.39x = 203,386.21 × 51,326.92
  4. Step 4: Simplify right side
    135,589.39x = 10,439,187,092.99
  5. Step 5: Solve for x
    x = 10,439,187,092.99/135,589.39
  6. Step 6: Final answer
    x = 76,991.18

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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.