Home / 220,621.77-330,702.26-108,146.25

Finding the Fourth Proportional to 220,621.77, 330,702.26 and 108,146.25

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Solution

The fourth proportional to 220,621.77, 330,702.26 and 108,146.25 is: 162,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,621.77 : 330,702.26 = 108,146.25 : x
  2. Step 2: Convert to fraction form
    220,621.77/330,702.26 = 108,146.25/x
  3. Step 3: Cross multiply
    220,621.77x = 330,702.26 × 108,146.25
  4. Step 4: Simplify right side
    220,621.77x = 35,764,208,744.79
  5. Step 5: Solve for x
    x = 35,764,208,744.79/220,621.77
  6. Step 6: Final answer
    x = 162,106.44

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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.