Home / 181,383.39-250,378.83-120,931.98

Finding the Fourth Proportional to 181,383.39, 250,378.83 and 120,931.98

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Solution

The fourth proportional to 181,383.39, 250,378.83 and 120,931.98 is: 166,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,383.39 : 250,378.83 = 120,931.98 : x
  2. Step 2: Convert to fraction form
    181,383.39/250,378.83 = 120,931.98/x
  3. Step 3: Cross multiply
    181,383.39x = 250,378.83 × 120,931.98
  4. Step 4: Simplify right side
    181,383.39x = 30,278,807,661.98
  5. Step 5: Solve for x
    x = 30,278,807,661.98/181,383.39
  6. Step 6: Final answer
    x = 166,932.64

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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.