Home / 195,203.91-269,387.88-107,990.22

Finding the Fourth Proportional to 195,203.91, 269,387.88 and 107,990.22

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Solution

The fourth proportional to 195,203.91, 269,387.88 and 107,990.22 is: 149,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,203.91 : 269,387.88 = 107,990.22 : x
  2. Step 2: Convert to fraction form
    195,203.91/269,387.88 = 107,990.22/x
  3. Step 3: Cross multiply
    195,203.91x = 269,387.88 × 107,990.22
  4. Step 4: Simplify right side
    195,203.91x = 29,091,256,426.53
  5. Step 5: Solve for x
    x = 29,091,256,426.53/195,203.91
  6. Step 6: Final answer
    x = 149,030.09

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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.