Home / 220,806.77-304,712.46-123,997.19

Finding the Fourth Proportional to 220,806.77, 304,712.46 and 123,997.19

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Solution

The fourth proportional to 220,806.77, 304,712.46 and 123,997.19 is: 171,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,806.77 : 304,712.46 = 123,997.19 : x
  2. Step 2: Convert to fraction form
    220,806.77/304,712.46 = 123,997.19/x
  3. Step 3: Cross multiply
    220,806.77x = 304,712.46 × 123,997.19
  4. Step 4: Simplify right side
    220,806.77x = 37,783,487,274.43
  5. Step 5: Solve for x
    x = 37,783,487,274.43/220,806.77
  6. Step 6: Final answer
    x = 171,115.62

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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.