Home / 195,167.63-269,331.33-105,743.63

Finding the Fourth Proportional to 195,167.63, 269,331.33 and 105,743.63

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Solution

The fourth proportional to 195,167.63, 269,331.33 and 105,743.63 is: 145,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,167.63 : 269,331.33 = 105,743.63 : x
  2. Step 2: Convert to fraction form
    195,167.63/269,331.33 = 105,743.63/x
  3. Step 3: Cross multiply
    195,167.63x = 269,331.33 × 105,743.63
  4. Step 4: Simplify right side
    195,167.63x = 28,480,071,160.27
  5. Step 5: Solve for x
    x = 28,480,071,160.27/195,167.63
  6. Step 6: Final answer
    x = 145,926.21

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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.