Home / 68,313.14-102,458.12-18,382.11

Finding the Fourth Proportional to 68,313.14, 102,458.12 and 18,382.11

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Solution

The fourth proportional to 68,313.14, 102,458.12 and 18,382.11 is: 27,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.14 : 102,458.12 = 18,382.11 : x
  2. Step 2: Convert to fraction form
    68,313.14/102,458.12 = 18,382.11/x
  3. Step 3: Cross multiply
    68,313.14x = 102,458.12 × 18,382.11
  4. Step 4: Simplify right side
    68,313.14x = 1,883,396,432.23
  5. Step 5: Solve for x
    x = 1,883,396,432.23/68,313.14
  6. Step 6: Final answer
    x = 27,570.05

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1.5x scale

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.