Home / 68,119.48-102,150.05-21,376.00

Finding the Fourth Proportional to 68,119.48, 102,150.05 and 21,376.00

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Solution

The fourth proportional to 68,119.48, 102,150.05 and 21,376.00 is: 32,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,119.48 : 102,150.05 = 21,376.00 : x
  2. Step 2: Convert to fraction form
    68,119.48/102,150.05 = 21,376.00/x
  3. Step 3: Cross multiply
    68,119.48x = 102,150.05 × 21,376.00
  4. Step 4: Simplify right side
    68,119.48x = 2,183,558,958.05
  5. Step 5: Solve for x
    x = 2,183,558,958.05/68,119.48
  6. Step 6: Final answer
    x = 32,054.84

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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.