Home / 68,015.66-102,023.35-18,095.74

Finding the Fourth Proportional to 68,015.66, 102,023.35 and 18,095.74

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Solution

The fourth proportional to 68,015.66, 102,023.35 and 18,095.74 is: 27,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015.66 : 102,023.35 = 18,095.74 : x
  2. Step 2: Convert to fraction form
    68,015.66/102,023.35 = 18,095.74/x
  3. Step 3: Cross multiply
    68,015.66x = 102,023.35 × 18,095.74
  4. Step 4: Simplify right side
    68,015.66x = 1,846,187,715.23
  5. Step 5: Solve for x
    x = 1,846,187,715.23/68,015.66
  6. Step 6: Final answer
    x = 27,143.57

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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.