Home / 135,680.82-187,251.03-75,270.93

Finding the Fourth Proportional to 135,680.82, 187,251.03 and 75,270.93

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Solution

The fourth proportional to 135,680.82, 187,251.03 and 75,270.93 is: 103,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,680.82 : 187,251.03 = 75,270.93 : x
  2. Step 2: Convert to fraction form
    135,680.82/187,251.03 = 75,270.93/x
  3. Step 3: Cross multiply
    135,680.82x = 187,251.03 × 75,270.93
  4. Step 4: Simplify right side
    135,680.82x = 14,094,559,171.56
  5. Step 5: Solve for x
    x = 14,094,559,171.56/135,680.82
  6. Step 6: Final answer
    x = 103,880.26

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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.