Home / 99,204.36-136,827-68,974.55

Finding the Fourth Proportional to 99,204.36, 136,827 and 68,974.55

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Solution

The fourth proportional to 99,204.36, 136,827 and 68,974.55 is: 95,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204.36 : 136,827 = 68,974.55 : x
  2. Step 2: Convert to fraction form
    99,204.36/136,827 = 68,974.55/x
  3. Step 3: Cross multiply
    99,204.36x = 136,827 × 68,974.55
  4. Step 4: Simplify right side
    99,204.36x = 9,437,581,351.47
  5. Step 5: Solve for x
    x = 9,437,581,351.47/99,204.36
  6. Step 6: Final answer
    x = 95,132.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.