Home / 195,712.52-270,136.42-115,165.94

Finding the Fourth Proportional to 195,712.52, 270,136.42 and 115,165.94

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Solution

The fourth proportional to 195,712.52, 270,136.42 and 115,165.94 is: 158,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,712.52 : 270,136.42 = 115,165.94 : x
  2. Step 2: Convert to fraction form
    195,712.52/270,136.42 = 115,165.94/x
  3. Step 3: Cross multiply
    195,712.52x = 270,136.42 × 115,165.94
  4. Step 4: Simplify right side
    195,712.52x = 31,110,513,098.94
  5. Step 5: Solve for x
    x = 31,110,513,098.94/195,712.52
  6. Step 6: Final answer
    x = 158,960.26

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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.