Home / 68,066.10-102,104.04-18,145.94

Finding the Fourth Proportional to 68,066.10, 102,104.04 and 18,145.94

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Solution

The fourth proportional to 68,066.10, 102,104.04 and 18,145.94 is: 27,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,066.10 : 102,104.04 = 18,145.94 : x
  2. Step 2: Convert to fraction form
    68,066.10/102,104.04 = 18,145.94/x
  3. Step 3: Cross multiply
    68,066.10x = 102,104.04 × 18,145.94
  4. Step 4: Simplify right side
    68,066.10x = 1,852,773,273.08
  5. Step 5: Solve for x
    x = 1,852,773,273.08/68,066.10
  6. Step 6: Final answer
    x = 27,220.21

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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.