Home / 135,665.06-203,469.86-51,396.17

Finding the Fourth Proportional to 135,665.06, 203,469.86 and 51,396.17

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Solution

The fourth proportional to 135,665.06, 203,469.86 and 51,396.17 is: 77,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,665.06 : 203,469.86 = 51,396.17 : x
  2. Step 2: Convert to fraction form
    135,665.06/203,469.86 = 51,396.17/x
  3. Step 3: Cross multiply
    135,665.06x = 203,469.86 × 51,396.17
  4. Step 4: Simplify right side
    135,665.06x = 10,457,570,240.11
  5. Step 5: Solve for x
    x = 10,457,570,240.11/135,665.06
  6. Step 6: Final answer
    x = 77,083.74

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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.