Home / 135,463.10-203,272.44-105,797.66

Finding the Fourth Proportional to 135,463.10, 203,272.44 and 105,797.66

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Solution

The fourth proportional to 135,463.10, 203,272.44 and 105,797.66 is: 158,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,463.10 : 203,272.44 = 105,797.66 : x
  2. Step 2: Convert to fraction form
    135,463.10/203,272.44 = 105,797.66/x
  3. Step 3: Cross multiply
    135,463.10x = 203,272.44 × 105,797.66
  4. Step 4: Simplify right side
    135,463.10x = 21,505,748,494.49
  5. Step 5: Solve for x
    x = 21,505,748,494.49/135,463.10
  6. Step 6: Final answer
    x = 158,757.24

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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.