Home / 135,986.46-187,660.71-75,566.94

Finding the Fourth Proportional to 135,986.46, 187,660.71 and 75,566.94

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Solution

The fourth proportional to 135,986.46, 187,660.71 and 75,566.94 is: 104,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,986.46 : 187,660.71 = 75,566.94 : x
  2. Step 2: Convert to fraction form
    135,986.46/187,660.71 = 75,566.94/x
  3. Step 3: Cross multiply
    135,986.46x = 187,660.71 × 75,566.94
  4. Step 4: Simplify right side
    135,986.46x = 14,180,945,612.93
  5. Step 5: Solve for x
    x = 14,180,945,612.93/135,986.46
  6. Step 6: Final answer
    x = 104,282.04

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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.