Home / 88,362.90-131,982.48-75,919.14

Finding the Fourth Proportional to 88,362.90, 131,982.48 and 75,919.14

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Solution

The fourth proportional to 88,362.90, 131,982.48 and 75,919.14 is: 113,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,362.90 : 131,982.48 = 75,919.14 : x
  2. Step 2: Convert to fraction form
    88,362.90/131,982.48 = 75,919.14/x
  3. Step 3: Cross multiply
    88,362.90x = 131,982.48 × 75,919.14
  4. Step 4: Simplify right side
    88,362.90x = 10,019,996,376.67
  5. Step 5: Solve for x
    x = 10,019,996,376.67/88,362.90
  6. Step 6: Final answer
    x = 113,395.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.