Home / 100,027.08-149,962.70-50,081.46

Finding the Fourth Proportional to 100,027.08, 149,962.70 and 50,081.46

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Solution

The fourth proportional to 100,027.08, 149,962.70 and 50,081.46 is: 75,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,027.08 : 149,962.70 = 50,081.46 : x
  2. Step 2: Convert to fraction form
    100,027.08/149,962.70 = 50,081.46/x
  3. Step 3: Cross multiply
    100,027.08x = 149,962.70 × 50,081.46
  4. Step 4: Simplify right side
    100,027.08x = 7,510,350,961.54
  5. Step 5: Solve for x
    x = 7,510,350,961.54/100,027.08
  6. Step 6: Final answer
    x = 75,083.18

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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.