Home / 131,298.66-196,982.91-47,067.36

Finding the Fourth Proportional to 131,298.66, 196,982.91 and 47,067.36

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Solution

The fourth proportional to 131,298.66, 196,982.91 and 47,067.36 is: 70,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,298.66 : 196,982.91 = 47,067.36 : x
  2. Step 2: Convert to fraction form
    131,298.66/196,982.91 = 47,067.36/x
  3. Step 3: Cross multiply
    131,298.66x = 196,982.91 × 47,067.36
  4. Step 4: Simplify right side
    131,298.66x = 9,271,465,538.82
  5. Step 5: Solve for x
    x = 9,271,465,538.82/131,298.66
  6. Step 6: Final answer
    x = 70,613.56

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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.