Home / 68,316.66-102,463.35-18,385.62

Finding the Fourth Proportional to 68,316.66, 102,463.35 and 18,385.62

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Solution

The fourth proportional to 68,316.66, 102,463.35 and 18,385.62 is: 27,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.66 : 102,463.35 = 18,385.62 : x
  2. Step 2: Convert to fraction form
    68,316.66/102,463.35 = 18,385.62/x
  3. Step 3: Cross multiply
    68,316.66x = 102,463.35 × 18,385.62
  4. Step 4: Simplify right side
    68,316.66x = 1,883,852,217.03
  5. Step 5: Solve for x
    x = 1,883,852,217.03/68,316.66
  6. Step 6: Final answer
    x = 27,575.30

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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.