Home / 135,940.28-187,627.59-75,531.69

Finding the Fourth Proportional to 135,940.28, 187,627.59 and 75,531.69

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Solution

The fourth proportional to 135,940.28, 187,627.59 and 75,531.69 is: 104,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,940.28 : 187,627.59 = 75,531.69 : x
  2. Step 2: Convert to fraction form
    135,940.28/187,627.59 = 75,531.69/x
  3. Step 3: Cross multiply
    135,940.28x = 187,627.59 × 75,531.69
  4. Step 4: Simplify right side
    135,940.28x = 14,171,828,963.33
  5. Step 5: Solve for x
    x = 14,171,828,963.33/135,940.28
  6. Step 6: Final answer
    x = 104,250.41

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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.