Home / 68,100.47-102,167.09-21,353.34

Finding the Fourth Proportional to 68,100.47, 102,167.09 and 21,353.34

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Solution

The fourth proportional to 68,100.47, 102,167.09 and 21,353.34 is: 32,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100.47 : 102,167.09 = 21,353.34 : x
  2. Step 2: Convert to fraction form
    68,100.47/102,167.09 = 21,353.34/x
  3. Step 3: Cross multiply
    68,100.47x = 102,167.09 × 21,353.34
  4. Step 4: Simplify right side
    68,100.47x = 2,181,608,966.02
  5. Step 5: Solve for x
    x = 2,181,608,966.02/68,100.47
  6. Step 6: Final answer
    x = 32,035.15

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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.