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Finding the Fourth Proportional to 112,144.70, 168,217.68 and 33,259.52

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Solution

The fourth proportional to 112,144.70, 168,217.68 and 33,259.52 is: 49,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,144.70 : 168,217.68 = 33,259.52 : x
  2. Step 2: Convert to fraction form
    112,144.70/168,217.68 = 33,259.52/x
  3. Step 3: Cross multiply
    112,144.70x = 168,217.68 × 33,259.52
  4. Step 4: Simplify right side
    112,144.70x = 5,594,839,292.31
  5. Step 5: Solve for x
    x = 5,594,839,292.31/112,144.70
  6. Step 6: Final answer
    x = 49,889.47

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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.