Home / 129,944.66-194,994.74-119,369.30

Finding the Fourth Proportional to 129,944.66, 194,994.74 and 119,369.30

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Solution

The fourth proportional to 129,944.66, 194,994.74 and 119,369.30 is: 179,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,944.66 : 194,994.74 = 119,369.30 : x
  2. Step 2: Convert to fraction form
    129,944.66/194,994.74 = 119,369.30/x
  3. Step 3: Cross multiply
    129,944.66x = 194,994.74 × 119,369.30
  4. Step 4: Simplify right side
    129,944.66x = 23,276,384,940.93
  5. Step 5: Solve for x
    x = 23,276,384,940.93/129,944.66
  6. Step 6: Final answer
    x = 179,125.37

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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.