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Finding the Fourth Proportional to 144,274.88, 199,100.32 and 80,615.36

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Solution

The fourth proportional to 144,274.88, 199,100.32 and 80,615.36 is: 111,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,274.88 : 199,100.32 = 80,615.36 : x
  2. Step 2: Convert to fraction form
    144,274.88/199,100.32 = 80,615.36/x
  3. Step 3: Cross multiply
    144,274.88x = 199,100.32 × 80,615.36
  4. Step 4: Simplify right side
    144,274.88x = 16,050,543,972.92
  5. Step 5: Solve for x
    x = 16,050,543,972.92/144,274.88
  6. Step 6: Final answer
    x = 111,249.75

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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.