Home / 135,868.68-203,505.66-96,305.80

Finding the Fourth Proportional to 135,868.68, 203,505.66 and 96,305.80

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Solution

The fourth proportional to 135,868.68, 203,505.66 and 96,305.80 is: 144,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,868.68 : 203,505.66 = 96,305.80 : x
  2. Step 2: Convert to fraction form
    135,868.68/203,505.66 = 96,305.80/x
  3. Step 3: Cross multiply
    135,868.68x = 203,505.66 × 96,305.80
  4. Step 4: Simplify right side
    135,868.68x = 19,598,775,390.83
  5. Step 5: Solve for x
    x = 19,598,775,390.83/135,868.68
  6. Step 6: Final answer
    x = 144,247.93

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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.