Home / 135,643.56-203,202.94-76,298.92

Finding the Fourth Proportional to 135,643.56, 203,202.94 and 76,298.92

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Solution

The fourth proportional to 135,643.56, 203,202.94 and 76,298.92 is: 114,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,643.56 : 203,202.94 = 76,298.92 : x
  2. Step 2: Convert to fraction form
    135,643.56/203,202.94 = 76,298.92/x
  3. Step 3: Cross multiply
    135,643.56x = 203,202.94 × 76,298.92
  4. Step 4: Simplify right side
    135,643.56x = 15,504,164,862.82
  5. Step 5: Solve for x
    x = 15,504,164,862.82/135,643.56
  6. Step 6: Final answer
    x = 114,300.78

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1.5x scale

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.