Home / 195,569.49-269,876.56-120,103.41

Finding the Fourth Proportional to 195,569.49, 269,876.56 and 120,103.41

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Solution

The fourth proportional to 195,569.49, 269,876.56 and 120,103.41 is: 165,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,569.49 : 269,876.56 = 120,103.41 : x
  2. Step 2: Convert to fraction form
    195,569.49/269,876.56 = 120,103.41/x
  3. Step 3: Cross multiply
    195,569.49x = 269,876.56 × 120,103.41
  4. Step 4: Simplify right side
    195,569.49x = 32,413,094,834.81
  5. Step 5: Solve for x
    x = 32,413,094,834.81/195,569.49
  6. Step 6: Final answer
    x = 165,736.97

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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.