Home / 68,315.04-102,464.85-18,398.79

Finding the Fourth Proportional to 68,315.04, 102,464.85 and 18,398.79

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Solution

The fourth proportional to 68,315.04, 102,464.85 and 18,398.79 is: 27,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,315.04 : 102,464.85 = 18,398.79 : x
  2. Step 2: Convert to fraction form
    68,315.04/102,464.85 = 18,398.79/x
  3. Step 3: Cross multiply
    68,315.04x = 102,464.85 × 18,398.79
  4. Step 4: Simplify right side
    68,315.04x = 1,885,229,257.53
  5. Step 5: Solve for x
    x = 1,885,229,257.53/68,315.04
  6. Step 6: Final answer
    x = 27,596.11

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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.