Home / 194,921.88-269,015.54-118,453.47

Finding the Fourth Proportional to 194,921.88, 269,015.54 and 118,453.47

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Solution

The fourth proportional to 194,921.88, 269,015.54 and 118,453.47 is: 163,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,921.88 : 269,015.54 = 118,453.47 : x
  2. Step 2: Convert to fraction form
    194,921.88/269,015.54 = 118,453.47/x
  3. Step 3: Cross multiply
    194,921.88x = 269,015.54 × 118,453.47
  4. Step 4: Simplify right side
    194,921.88x = 31,865,823,604.66
  5. Step 5: Solve for x
    x = 31,865,823,604.66/194,921.88
  6. Step 6: Final answer
    x = 163,479.97

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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.