Home / 195,489.05-269,694.70-118,946.78

Finding the Fourth Proportional to 195,489.05, 269,694.70 and 118,946.78

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Solution

The fourth proportional to 195,489.05, 269,694.70 and 118,946.78 is: 164,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,489.05 : 269,694.70 = 118,946.78 : x
  2. Step 2: Convert to fraction form
    195,489.05/269,694.70 = 118,946.78/x
  3. Step 3: Cross multiply
    195,489.05x = 269,694.70 × 118,946.78
  4. Step 4: Simplify right side
    195,489.05x = 32,079,315,513.58
  5. Step 5: Solve for x
    x = 32,079,315,513.58/195,489.05
  6. Step 6: Final answer
    x = 164,097.77

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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.