Home / 220,739.80-304,611.92-125,244.44

Finding the Fourth Proportional to 220,739.80, 304,611.92 and 125,244.44

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Solution

The fourth proportional to 220,739.80, 304,611.92 and 125,244.44 is: 172,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,739.80 : 304,611.92 = 125,244.44 : x
  2. Step 2: Convert to fraction form
    220,739.80/304,611.92 = 125,244.44/x
  3. Step 3: Cross multiply
    220,739.80x = 304,611.92 × 125,244.44
  4. Step 4: Simplify right side
    220,739.80x = 38,150,949,337.72
  5. Step 5: Solve for x
    x = 38,150,949,337.72/220,739.80
  6. Step 6: Final answer
    x = 172,832.22

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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.