Home / 195,430.62-269,655.91-122,791.43

Finding the Fourth Proportional to 195,430.62, 269,655.91 and 122,791.43

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Solution

The fourth proportional to 195,430.62, 269,655.91 and 122,791.43 is: 169,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,430.62 : 269,655.91 = 122,791.43 : x
  2. Step 2: Convert to fraction form
    195,430.62/269,655.91 = 122,791.43/x
  3. Step 3: Cross multiply
    195,430.62x = 269,655.91 × 122,791.43
  4. Step 4: Simplify right side
    195,430.62x = 33,111,433,448.57
  5. Step 5: Solve for x
    x = 33,111,433,448.57/195,430.62
  6. Step 6: Final answer
    x = 169,428.08

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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.