Home / 135,834.63-203,796.22-68,331.83

Finding the Fourth Proportional to 135,834.63, 203,796.22 and 68,331.83

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Solution

The fourth proportional to 135,834.63, 203,796.22 and 68,331.83 is: 102,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,834.63 : 203,796.22 = 68,331.83 : x
  2. Step 2: Convert to fraction form
    135,834.63/203,796.22 = 68,331.83/x
  3. Step 3: Cross multiply
    135,834.63x = 203,796.22 × 68,331.83
  4. Step 4: Simplify right side
    135,834.63x = 13,925,767,640.70
  5. Step 5: Solve for x
    x = 13,925,767,640.70/135,834.63
  6. Step 6: Final answer
    x = 102,520.01

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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.