Home / 68,118.13-102,176.01-30,651.69

Finding the Fourth Proportional to 68,118.13, 102,176.01 and 30,651.69

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Solution

The fourth proportional to 68,118.13, 102,176.01 and 30,651.69 is: 45,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,118.13 : 102,176.01 = 30,651.69 : x
  2. Step 2: Convert to fraction form
    68,118.13/102,176.01 = 30,651.69/x
  3. Step 3: Cross multiply
    68,118.13x = 102,176.01 × 30,651.69
  4. Step 4: Simplify right side
    68,118.13x = 3,131,867,383.96
  5. Step 5: Solve for x
    x = 3,131,867,383.96/68,118.13
  6. Step 6: Final answer
    x = 45,977.00

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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.