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Finding the Fourth Proportional to 100,394.92, 150,517.48 and 60,404.54

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Solution

The fourth proportional to 100,394.92, 150,517.48 and 60,404.54 is: 90,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,394.92 : 150,517.48 = 60,404.54 : x
  2. Step 2: Convert to fraction form
    100,394.92/150,517.48 = 60,404.54/x
  3. Step 3: Cross multiply
    100,394.92x = 150,517.48 × 60,404.54
  4. Step 4: Simplify right side
    100,394.92x = 9,091,939,141.36
  5. Step 5: Solve for x
    x = 9,091,939,141.36/100,394.92
  6. Step 6: Final answer
    x = 90,561.74

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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.