Home / 220,192.30-303,855.22-124,699.69

Finding the Fourth Proportional to 220,192.30, 303,855.22 and 124,699.69

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Solution

The fourth proportional to 220,192.30, 303,855.22 and 124,699.69 is: 172,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,192.30 : 303,855.22 = 124,699.69 : x
  2. Step 2: Convert to fraction form
    220,192.30/303,855.22 = 124,699.69/x
  3. Step 3: Cross multiply
    220,192.30x = 303,855.22 × 124,699.69
  4. Step 4: Simplify right side
    220,192.30x = 37,890,651,738.88
  5. Step 5: Solve for x
    x = 37,890,651,738.88/220,192.30
  6. Step 6: Final answer
    x = 172,079.82

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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.