Home / 135,683.82-187,255.20-75,273.96

Finding the Fourth Proportional to 135,683.82, 187,255.20 and 75,273.96

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Solution

The fourth proportional to 135,683.82, 187,255.20 and 75,273.96 is: 103,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,683.82 : 187,255.20 = 75,273.96 : x
  2. Step 2: Convert to fraction form
    135,683.82/187,255.20 = 75,273.96/x
  3. Step 3: Cross multiply
    135,683.82x = 187,255.20 × 75,273.96
  4. Step 4: Simplify right side
    135,683.82x = 14,095,440,434.59
  5. Step 5: Solve for x
    x = 14,095,440,434.59/135,683.82
  6. Step 6: Final answer
    x = 103,884.46

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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.