Home / 123,956.44-171,012.54-76,194.52

Finding the Fourth Proportional to 123,956.44, 171,012.54 and 76,194.52

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Solution

The fourth proportional to 123,956.44, 171,012.54 and 76,194.52 is: 105,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,956.44 : 171,012.54 = 76,194.52 : x
  2. Step 2: Convert to fraction form
    123,956.44/171,012.54 = 76,194.52/x
  3. Step 3: Cross multiply
    123,956.44x = 171,012.54 × 76,194.52
  4. Step 4: Simplify right side
    123,956.44x = 13,030,218,399.28
  5. Step 5: Solve for x
    x = 13,030,218,399.28/123,956.44
  6. Step 6: Final answer
    x = 105,119.33

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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.