Home / 68,811.23-103,217.00-18,892.01

Finding the Fourth Proportional to 68,811.23, 103,217.00 and 18,892.01

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Solution

The fourth proportional to 68,811.23, 103,217.00 and 18,892.01 is: 28,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,811.23 : 103,217.00 = 18,892.01 : x
  2. Step 2: Convert to fraction form
    68,811.23/103,217.00 = 18,892.01/x
  3. Step 3: Cross multiply
    68,811.23x = 103,217.00 × 18,892.01
  4. Step 4: Simplify right side
    68,811.23x = 1,949,975,985.62
  5. Step 5: Solve for x
    x = 1,949,975,985.62/68,811.23
  6. Step 6: Final answer
    x = 28,338.05

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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.