Home / 220,248.39-303,936.87-124,785.84

Finding the Fourth Proportional to 220,248.39, 303,936.87 and 124,785.84

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Solution

The fourth proportional to 220,248.39, 303,936.87 and 124,785.84 is: 172,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,248.39 : 303,936.87 = 124,785.84 : x
  2. Step 2: Convert to fraction form
    220,248.39/303,936.87 = 124,785.84/x
  3. Step 3: Cross multiply
    220,248.39x = 303,936.87 × 124,785.84
  4. Step 4: Simplify right side
    220,248.39x = 37,927,016,022.21
  5. Step 5: Solve for x
    x = 37,927,016,022.21/220,248.39
  6. Step 6: Final answer
    x = 172,201.11

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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.