Home / 112,132.37-168,198.55-76,965.41

Finding the Fourth Proportional to 112,132.37, 168,198.55 and 76,965.41

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Solution

The fourth proportional to 112,132.37, 168,198.55 and 76,965.41 is: 115,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,132.37 : 168,198.55 = 76,965.41 : x
  2. Step 2: Convert to fraction form
    112,132.37/168,198.55 = 76,965.41/x
  3. Step 3: Cross multiply
    112,132.37x = 168,198.55 × 76,965.41
  4. Step 4: Simplify right side
    112,132.37x = 12,945,470,590.24
  5. Step 5: Solve for x
    x = 12,945,470,590.24/112,132.37
  6. Step 6: Final answer
    x = 115,448.11

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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.