Home / 131,111.88-196,668-56,183.44

Finding the Fourth Proportional to 131,111.88, 196,668 and 56,183.44

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Solution

The fourth proportional to 131,111.88, 196,668 and 56,183.44 is: 84,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,111.88 : 196,668 = 56,183.44 : x
  2. Step 2: Convert to fraction form
    131,111.88/196,668 = 56,183.44/x
  3. Step 3: Cross multiply
    131,111.88x = 196,668 × 56,183.44
  4. Step 4: Simplify right side
    131,111.88x = 11,049,484,777.92
  5. Step 5: Solve for x
    x = 11,049,484,777.92/131,111.88
  6. Step 6: Final answer
    x = 84,275.24

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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.