Home / 177,923.64-266,873.94-67,112.76

Finding the Fourth Proportional to 177,923.64, 266,873.94 and 67,112.76

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Solution

The fourth proportional to 177,923.64, 266,873.94 and 67,112.76 is: 100,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,923.64 : 266,873.94 = 67,112.76 : x
  2. Step 2: Convert to fraction form
    177,923.64/266,873.94 = 67,112.76/x
  3. Step 3: Cross multiply
    177,923.64x = 266,873.94 × 67,112.76
  4. Step 4: Simplify right side
    177,923.64x = 17,910,646,685.47
  5. Step 5: Solve for x
    x = 17,910,646,685.47/177,923.64
  6. Step 6: Final answer
    x = 100,664.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.