Home / 135,707.85-203,463.36-91,224.27

Finding the Fourth Proportional to 135,707.85, 203,463.36 and 91,224.27

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Solution

The fourth proportional to 135,707.85, 203,463.36 and 91,224.27 is: 136,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,707.85 : 203,463.36 = 91,224.27 : x
  2. Step 2: Convert to fraction form
    135,707.85/203,463.36 = 91,224.27/x
  3. Step 3: Cross multiply
    135,707.85x = 203,463.36 × 91,224.27
  4. Step 4: Simplify right side
    135,707.85x = 18,560,796,487.75
  5. Step 5: Solve for x
    x = 18,560,796,487.75/135,707.85
  6. Step 6: Final answer
    x = 136,770.25

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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.