Home / 89,351.17-123,174.37-63,812.49

Finding the Fourth Proportional to 89,351.17, 123,174.37 and 63,812.49

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Solution

The fourth proportional to 89,351.17, 123,174.37 and 63,812.49 is: 87,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,351.17 : 123,174.37 = 63,812.49 : x
  2. Step 2: Convert to fraction form
    89,351.17/123,174.37 = 63,812.49/x
  3. Step 3: Cross multiply
    89,351.17x = 123,174.37 × 63,812.49
  4. Step 4: Simplify right side
    89,351.17x = 7,860,063,253.88
  5. Step 5: Solve for x
    x = 7,860,063,253.88/89,351.17
  6. Step 6: Final answer
    x = 87,968.22

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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.