Home / 142,724.52-196,957.26-79,062.12

Finding the Fourth Proportional to 142,724.52, 196,957.26 and 79,062.12

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Solution

The fourth proportional to 142,724.52, 196,957.26 and 79,062.12 is: 109,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,724.52 : 196,957.26 = 79,062.12 : x
  2. Step 2: Convert to fraction form
    142,724.52/196,957.26 = 79,062.12/x
  3. Step 3: Cross multiply
    142,724.52x = 196,957.26 × 79,062.12
  4. Step 4: Simplify right side
    142,724.52x = 15,571,858,524.99
  5. Step 5: Solve for x
    x = 15,571,858,524.99/142,724.52
  6. Step 6: Final answer
    x = 109,104.30

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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.