Home / 195,071.78-269,315.07-123,513.14

Finding the Fourth Proportional to 195,071.78, 269,315.07 and 123,513.14

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Solution

The fourth proportional to 195,071.78, 269,315.07 and 123,513.14 is: 170,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,071.78 : 269,315.07 = 123,513.14 : x
  2. Step 2: Convert to fraction form
    195,071.78/269,315.07 = 123,513.14/x
  3. Step 3: Cross multiply
    195,071.78x = 269,315.07 × 123,513.14
  4. Step 4: Simplify right side
    195,071.78x = 33,263,949,945.02
  5. Step 5: Solve for x
    x = 33,263,949,945.02/195,071.78
  6. Step 6: Final answer
    x = 170,521.59

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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.