Home / 74,204.96-102,418.30-68,227.16

Finding the Fourth Proportional to 74,204.96, 102,418.30 and 68,227.16

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Solution

The fourth proportional to 74,204.96, 102,418.30 and 68,227.16 is: 94,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,204.96 : 102,418.30 = 68,227.16 : x
  2. Step 2: Convert to fraction form
    74,204.96/102,418.30 = 68,227.16/x
  3. Step 3: Cross multiply
    74,204.96x = 102,418.30 × 68,227.16
  4. Step 4: Simplify right side
    74,204.96x = 6,987,709,741.03
  5. Step 5: Solve for x
    x = 6,987,709,741.03/74,204.96
  6. Step 6: Final answer
    x = 94,167.69

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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.