Home / 266,836.78-368,231.73-145,976.68

Finding the Fourth Proportional to 266,836.78, 368,231.73 and 145,976.68

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Solution

The fourth proportional to 266,836.78, 368,231.73 and 145,976.68 is: 201,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,836.78 : 368,231.73 = 145,976.68 : x
  2. Step 2: Convert to fraction form
    266,836.78/368,231.73 = 145,976.68/x
  3. Step 3: Cross multiply
    266,836.78x = 368,231.73 × 145,976.68
  4. Step 4: Simplify right side
    266,836.78x = 53,753,245,416.06
  5. Step 5: Solve for x
    x = 53,753,245,416.06/266,836.78
  6. Step 6: Final answer
    x = 201,446.16

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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.