Home / 68,153.00-102,233.54-21,405.87

Finding the Fourth Proportional to 68,153.00, 102,233.54 and 21,405.87

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Solution

The fourth proportional to 68,153.00, 102,233.54 and 21,405.87 is: 32,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,153.00 : 102,233.54 = 21,405.87 : x
  2. Step 2: Convert to fraction form
    68,153.00/102,233.54 = 21,405.87/x
  3. Step 3: Cross multiply
    68,153.00x = 102,233.54 × 21,405.87
  4. Step 4: Simplify right side
    68,153.00x = 2,188,397,920.39
  5. Step 5: Solve for x
    x = 2,188,397,920.39/68,153.00
  6. Step 6: Final answer
    x = 32,110.08

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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.