Home / 135,977.16-203,735.56-83,276.56

Finding the Fourth Proportional to 135,977.16, 203,735.56 and 83,276.56

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Solution

The fourth proportional to 135,977.16, 203,735.56 and 83,276.56 is: 124,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,977.16 : 203,735.56 = 83,276.56 : x
  2. Step 2: Convert to fraction form
    135,977.16/203,735.56 = 83,276.56/x
  3. Step 3: Cross multiply
    135,977.16x = 203,735.56 × 83,276.56
  4. Step 4: Simplify right side
    135,977.16x = 16,966,396,586.47
  5. Step 5: Solve for x
    x = 16,966,396,586.47/135,977.16
  6. Step 6: Final answer
    x = 124,773.87

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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.