Home / 136,055.57-187,757.37-75,631.82

Finding the Fourth Proportional to 136,055.57, 187,757.37 and 75,631.82

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Solution

The fourth proportional to 136,055.57, 187,757.37 and 75,631.82 is: 104,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,055.57 : 187,757.37 = 75,631.82 : x
  2. Step 2: Convert to fraction form
    136,055.57/187,757.37 = 75,631.82/x
  3. Step 3: Cross multiply
    136,055.57x = 187,757.37 × 75,631.82
  4. Step 4: Simplify right side
    136,055.57x = 14,200,430,672.73
  5. Step 5: Solve for x
    x = 14,200,430,672.73/136,055.57
  6. Step 6: Final answer
    x = 104,372.29

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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.