Home / 68,188.32-102,298.57-21,441.19

Finding the Fourth Proportional to 68,188.32, 102,298.57 and 21,441.19

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Solution

The fourth proportional to 68,188.32, 102,298.57 and 21,441.19 is: 32,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188.32 : 102,298.57 = 21,441.19 : x
  2. Step 2: Convert to fraction form
    68,188.32/102,298.57 = 21,441.19/x
  3. Step 3: Cross multiply
    68,188.32x = 102,298.57 × 21,441.19
  4. Step 4: Simplify right side
    68,188.32x = 2,193,403,076.10
  5. Step 5: Solve for x
    x = 2,193,403,076.10/68,188.32
  6. Step 6: Final answer
    x = 32,166.84

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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.