Home / 196,027.20-293,862.96-71,280

Finding the Fourth Proportional to 196,027.20, 293,862.96 and 71,280

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Solution

The fourth proportional to 196,027.20, 293,862.96 and 71,280 is: 106,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,027.20 : 293,862.96 = 71,280 : x
  2. Step 2: Convert to fraction form
    196,027.20/293,862.96 = 71,280/x
  3. Step 3: Cross multiply
    196,027.20x = 293,862.96 × 71,280
  4. Step 4: Simplify right side
    196,027.20x = 20,946,551,788.80
  5. Step 5: Solve for x
    x = 20,946,551,788.80/196,027.20
  6. Step 6: Final answer
    x = 106,855.33

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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.