Home / 75,998.18-113,997.31-19,838.14

Finding the Fourth Proportional to 75,998.18, 113,997.31 and 19,838.14

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Solution

The fourth proportional to 75,998.18, 113,997.31 and 19,838.14 is: 29,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,998.18 : 113,997.31 = 19,838.14 : x
  2. Step 2: Convert to fraction form
    75,998.18/113,997.31 = 19,838.14/x
  3. Step 3: Cross multiply
    75,998.18x = 113,997.31 × 19,838.14
  4. Step 4: Simplify right side
    75,998.18x = 2,261,494,260.81
  5. Step 5: Solve for x
    x = 2,261,494,260.81/75,998.18
  6. Step 6: Final answer
    x = 29,757.22

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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.