Home / 196,614.20-294,921.30-72,003.80

Finding the Fourth Proportional to 196,614.20, 294,921.30 and 72,003.80

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Solution

The fourth proportional to 196,614.20, 294,921.30 and 72,003.80 is: 108,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,614.20 : 294,921.30 = 72,003.80 : x
  2. Step 2: Convert to fraction form
    196,614.20/294,921.30 = 72,003.80/x
  3. Step 3: Cross multiply
    196,614.20x = 294,921.30 × 72,003.80
  4. Step 4: Simplify right side
    196,614.20x = 21,235,454,300.94
  5. Step 5: Solve for x
    x = 21,235,454,300.94/196,614.20
  6. Step 6: Final answer
    x = 108,005.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.