Home / 120,494.14-179,663.96-117,183.66

Finding the Fourth Proportional to 120,494.14, 179,663.96 and 117,183.66

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Solution

The fourth proportional to 120,494.14, 179,663.96 and 117,183.66 is: 174,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494.14 : 179,663.96 = 117,183.66 : x
  2. Step 2: Convert to fraction form
    120,494.14/179,663.96 = 117,183.66/x
  3. Step 3: Cross multiply
    120,494.14x = 179,663.96 × 117,183.66
  4. Step 4: Simplify right side
    120,494.14x = 21,053,679,816.98
  5. Step 5: Solve for x
    x = 21,053,679,816.98/120,494.14
  6. Step 6: Final answer
    x = 174,727.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.