Home / 100,844.26-151,334.43-75,902.74

Finding the Fourth Proportional to 100,844.26, 151,334.43 and 75,902.74

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Solution

The fourth proportional to 100,844.26, 151,334.43 and 75,902.74 is: 113,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,844.26 : 151,334.43 = 75,902.74 : x
  2. Step 2: Convert to fraction form
    100,844.26/151,334.43 = 75,902.74/x
  3. Step 3: Cross multiply
    100,844.26x = 151,334.43 × 75,902.74
  4. Step 4: Simplify right side
    100,844.26x = 11,486,697,893.34
  5. Step 5: Solve for x
    x = 11,486,697,893.34/100,844.26
  6. Step 6: Final answer
    x = 113,905.32

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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.