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Finding the Fourth Proportional to 144,346.54, 199,198.46 and 80,684.28

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Solution

The fourth proportional to 144,346.54, 199,198.46 and 80,684.28 is: 111,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,346.54 : 199,198.46 = 80,684.28 : x
  2. Step 2: Convert to fraction form
    144,346.54/199,198.46 = 80,684.28/x
  3. Step 3: Cross multiply
    144,346.54x = 199,198.46 × 80,684.28
  4. Step 4: Simplify right side
    144,346.54x = 16,072,184,322.21
  5. Step 5: Solve for x
    x = 16,072,184,322.21/144,346.54
  6. Step 6: Final answer
    x = 111,344.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.