Home / 131,176.08-196,764-56,247.84

Finding the Fourth Proportional to 131,176.08, 196,764 and 56,247.84

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Solution

The fourth proportional to 131,176.08, 196,764 and 56,247.84 is: 84,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,176.08 : 196,764 = 56,247.84 : x
  2. Step 2: Convert to fraction form
    131,176.08/196,764 = 56,247.84/x
  3. Step 3: Cross multiply
    131,176.08x = 196,764 × 56,247.84
  4. Step 4: Simplify right side
    131,176.08x = 11,067,549,989.76
  5. Step 5: Solve for x
    x = 11,067,549,989.76/131,176.08
  6. Step 6: Final answer
    x = 84,371.71

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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.