Home / 194,378.82-268,264.62-108,345.66

Finding the Fourth Proportional to 194,378.82, 268,264.62 and 108,345.66

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Solution

The fourth proportional to 194,378.82, 268,264.62 and 108,345.66 is: 149,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,378.82 : 268,264.62 = 108,345.66 : x
  2. Step 2: Convert to fraction form
    194,378.82/268,264.62 = 108,345.66/x
  3. Step 3: Cross multiply
    194,378.82x = 268,264.62 × 108,345.66
  4. Step 4: Simplify right side
    194,378.82x = 29,065,307,308.55
  5. Step 5: Solve for x
    x = 29,065,307,308.55/194,378.82
  6. Step 6: Final answer
    x = 149,529.19

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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.