Home / 135,881.43-187,533.67-82,166.84

Finding the Fourth Proportional to 135,881.43, 187,533.67 and 82,166.84

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Solution

The fourth proportional to 135,881.43, 187,533.67 and 82,166.84 is: 113,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,881.43 : 187,533.67 = 82,166.84 : x
  2. Step 2: Convert to fraction form
    135,881.43/187,533.67 = 82,166.84/x
  3. Step 3: Cross multiply
    135,881.43x = 187,533.67 × 82,166.84
  4. Step 4: Simplify right side
    135,881.43x = 15,409,048,119.83
  5. Step 5: Solve for x
    x = 15,409,048,119.83/135,881.43
  6. Step 6: Final answer
    x = 113,400.69

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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.