Home / 68,119.73-102,150.43-21,376.25

Finding the Fourth Proportional to 68,119.73, 102,150.43 and 21,376.25

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Solution

The fourth proportional to 68,119.73, 102,150.43 and 21,376.25 is: 32,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,119.73 : 102,150.43 = 21,376.25 : x
  2. Step 2: Convert to fraction form
    68,119.73/102,150.43 = 21,376.25/x
  3. Step 3: Cross multiply
    68,119.73x = 102,150.43 × 21,376.25
  4. Step 4: Simplify right side
    68,119.73x = 2,183,592,565.09
  5. Step 5: Solve for x
    x = 2,183,592,565.09/68,119.73
  6. Step 6: Final answer
    x = 32,055.22

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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.