Home / 89,675.82-133,882.07-68,504.22

Finding the Fourth Proportional to 89,675.82, 133,882.07 and 68,504.22

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Solution

The fourth proportional to 89,675.82, 133,882.07 and 68,504.22 is: 102,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.82 : 133,882.07 = 68,504.22 : x
  2. Step 2: Convert to fraction form
    89,675.82/133,882.07 = 68,504.22/x
  3. Step 3: Cross multiply
    89,675.82x = 133,882.07 × 68,504.22
  4. Step 4: Simplify right side
    89,675.82x = 9,171,486,434.81
  5. Step 5: Solve for x
    x = 9,171,486,434.81/89,675.82
  6. Step 6: Final answer
    x = 102,273.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.