Home / 135,971.41-203,936.04-69,460.69

Finding the Fourth Proportional to 135,971.41, 203,936.04 and 69,460.69

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Solution

The fourth proportional to 135,971.41, 203,936.04 and 69,460.69 is: 104,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,971.41 : 203,936.04 = 69,460.69 : x
  2. Step 2: Convert to fraction form
    135,971.41/203,936.04 = 69,460.69/x
  3. Step 3: Cross multiply
    135,971.41x = 203,936.04 × 69,460.69
  4. Step 4: Simplify right side
    135,971.41x = 14,165,538,054.27
  5. Step 5: Solve for x
    x = 14,165,538,054.27/135,971.41
  6. Step 6: Final answer
    x = 104,180.27

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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.