Home / 225,965.54-311,822.02-123,988.52

Finding the Fourth Proportional to 225,965.54, 311,822.02 and 123,988.52

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Solution

The fourth proportional to 225,965.54, 311,822.02 and 123,988.52 is: 171,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,965.54 : 311,822.02 = 123,988.52 : x
  2. Step 2: Convert to fraction form
    225,965.54/311,822.02 = 123,988.52/x
  3. Step 3: Cross multiply
    225,965.54x = 311,822.02 × 123,988.52
  4. Step 4: Simplify right side
    225,965.54x = 38,662,348,894.13
  5. Step 5: Solve for x
    x = 38,662,348,894.13/225,965.54
  6. Step 6: Final answer
    x = 171,098.43

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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.