Home / 135,664.25-187,216.68-75,244.13

Finding the Fourth Proportional to 135,664.25, 187,216.68 and 75,244.13

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Solution

The fourth proportional to 135,664.25, 187,216.68 and 75,244.13 is: 103,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,664.25 : 187,216.68 = 75,244.13 : x
  2. Step 2: Convert to fraction form
    135,664.25/187,216.68 = 75,244.13/x
  3. Step 3: Cross multiply
    135,664.25x = 187,216.68 × 75,244.13
  4. Step 4: Simplify right side
    135,664.25x = 14,086,956,208.09
  5. Step 5: Solve for x
    x = 14,086,956,208.09/135,664.25
  6. Step 6: Final answer
    x = 103,836.91

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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.