Home / 136,170.46-187,912.54-75,739.81

Finding the Fourth Proportional to 136,170.46, 187,912.54 and 75,739.81

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Solution

The fourth proportional to 136,170.46, 187,912.54 and 75,739.81 is: 104,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,170.46 : 187,912.54 = 75,739.81 : x
  2. Step 2: Convert to fraction form
    136,170.46/187,912.54 = 75,739.81/x
  3. Step 3: Cross multiply
    136,170.46x = 187,912.54 × 75,739.81
  4. Step 4: Simplify right side
    136,170.46x = 14,232,458,947.31
  5. Step 5: Solve for x
    x = 14,232,458,947.31/136,170.46
  6. Step 6: Final answer
    x = 104,519.43

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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.