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Finding the Fourth Proportional to 100,004.92, 150,007.52 and 40,840.60

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Solution

The fourth proportional to 100,004.92, 150,007.52 and 40,840.60 is: 61,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,004.92 : 150,007.52 = 40,840.60 : x
  2. Step 2: Convert to fraction form
    100,004.92/150,007.52 = 40,840.60/x
  3. Step 3: Cross multiply
    100,004.92x = 150,007.52 × 40,840.60
  4. Step 4: Simplify right side
    100,004.92x = 6,126,397,121.31
  5. Step 5: Solve for x
    x = 6,126,397,121.31/100,004.92
  6. Step 6: Final answer
    x = 61,260.96

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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.