Home / 196,045.20-293,889.96-71,298

Finding the Fourth Proportional to 196,045.20, 293,889.96 and 71,298

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Solution

The fourth proportional to 196,045.20, 293,889.96 and 71,298 is: 106,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,045.20 : 293,889.96 = 71,298 : x
  2. Step 2: Convert to fraction form
    196,045.20/293,889.96 = 71,298/x
  3. Step 3: Cross multiply
    196,045.20x = 293,889.96 × 71,298
  4. Step 4: Simplify right side
    196,045.20x = 20,953,766,368.08
  5. Step 5: Solve for x
    x = 20,953,766,368.08/196,045.20
  6. Step 6: Final answer
    x = 106,882.32

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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.