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Finding the Fourth Proportional to 100,444.77, 150,588.16 and 68,758.79

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Solution

The fourth proportional to 100,444.77, 150,588.16 and 68,758.79 is: 103,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,444.77 : 150,588.16 = 68,758.79 : x
  2. Step 2: Convert to fraction form
    100,444.77/150,588.16 = 68,758.79/x
  3. Step 3: Cross multiply
    100,444.77x = 150,588.16 × 68,758.79
  4. Step 4: Simplify right side
    100,444.77x = 10,354,259,343.62
  5. Step 5: Solve for x
    x = 10,354,259,343.62/100,444.77
  6. Step 6: Final answer
    x = 103,084.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.