Home / 135,966.06-203,718.78-83,265.44

Finding the Fourth Proportional to 135,966.06, 203,718.78 and 83,265.44

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Solution

The fourth proportional to 135,966.06, 203,718.78 and 83,265.44 is: 124,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.06 : 203,718.78 = 83,265.44 : x
  2. Step 2: Convert to fraction form
    135,966.06/203,718.78 = 83,265.44/x
  3. Step 3: Cross multiply
    135,966.06x = 203,718.78 × 83,265.44
  4. Step 4: Simplify right side
    135,966.06x = 16,962,732,834.37
  5. Step 5: Solve for x
    x = 16,962,732,834.37/135,966.06
  6. Step 6: Final answer
    x = 124,757.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.