Home / 68,182.48-102,272.10-18,262.54

Finding the Fourth Proportional to 68,182.48, 102,272.10 and 18,262.54

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Solution

The fourth proportional to 68,182.48, 102,272.10 and 18,262.54 is: 27,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,182.48 : 102,272.10 = 18,262.54 : x
  2. Step 2: Convert to fraction form
    68,182.48/102,272.10 = 18,262.54/x
  3. Step 3: Cross multiply
    68,182.48x = 102,272.10 × 18,262.54
  4. Step 4: Simplify right side
    68,182.48x = 1,867,748,317.13
  5. Step 5: Solve for x
    x = 1,867,748,317.13/68,182.48
  6. Step 6: Final answer
    x = 27,393.38

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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.