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Finding the Fourth Proportional to 104,071.92, 156,137.04 and 41,786.16

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Solution

The fourth proportional to 104,071.92, 156,137.04 and 41,786.16 is: 62,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.92 : 156,137.04 = 41,786.16 : x
  2. Step 2: Convert to fraction form
    104,071.92/156,137.04 = 41,786.16/x
  3. Step 3: Cross multiply
    104,071.92x = 156,137.04 × 41,786.16
  4. Step 4: Simplify right side
    104,071.92x = 6,524,367,335.37
  5. Step 5: Solve for x
    x = 6,524,367,335.37/104,071.92
  6. Step 6: Final answer
    x = 62,690.95

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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.