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Finding the Fourth Proportional to 122,104.08, 183,135.12 and 36,713.64

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Solution

The fourth proportional to 122,104.08, 183,135.12 and 36,713.64 is: 55,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,104.08 : 183,135.12 = 36,713.64 : x
  2. Step 2: Convert to fraction form
    122,104.08/183,135.12 = 36,713.64/x
  3. Step 3: Cross multiply
    122,104.08x = 183,135.12 × 36,713.64
  4. Step 4: Simplify right side
    122,104.08x = 6,723,556,867.04
  5. Step 5: Solve for x
    x = 6,723,556,867.04/122,104.08
  6. Step 6: Final answer
    x = 55,064.15

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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.