Home / 223,724.20-308,739.30-123,122.20

Finding the Fourth Proportional to 223,724.20, 308,739.30 and 123,122.20

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Solution

The fourth proportional to 223,724.20, 308,739.30 and 123,122.20 is: 169,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,724.20 : 308,739.30 = 123,122.20 : x
  2. Step 2: Convert to fraction form
    223,724.20/308,739.30 = 123,122.20/x
  3. Step 3: Cross multiply
    223,724.20x = 308,739.30 × 123,122.20
  4. Step 4: Simplify right side
    223,724.20x = 38,012,661,842.46
  5. Step 5: Solve for x
    x = 38,012,661,842.46/223,724.20
  6. Step 6: Final answer
    x = 169,908.58

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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.