Home / 112,138.50-168,240.22-33,254.64

Finding the Fourth Proportional to 112,138.50, 168,240.22 and 33,254.64

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Solution

The fourth proportional to 112,138.50, 168,240.22 and 33,254.64 is: 49,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,138.50 : 168,240.22 = 33,254.64 : x
  2. Step 2: Convert to fraction form
    112,138.50/168,240.22 = 33,254.64/x
  3. Step 3: Cross multiply
    112,138.50x = 168,240.22 × 33,254.64
  4. Step 4: Simplify right side
    112,138.50x = 5,594,767,949.62
  5. Step 5: Solve for x
    x = 5,594,767,949.62/112,138.50
  6. Step 6: Final answer
    x = 49,891.59

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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.