Home / 134,198.60-185,166.42-80,469.32

Finding the Fourth Proportional to 134,198.60, 185,166.42 and 80,469.32

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Solution

The fourth proportional to 134,198.60, 185,166.42 and 80,469.32 is: 111,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,198.60 : 185,166.42 = 80,469.32 : x
  2. Step 2: Convert to fraction form
    134,198.60/185,166.42 = 80,469.32/x
  3. Step 3: Cross multiply
    134,198.60x = 185,166.42 × 80,469.32
  4. Step 4: Simplify right side
    134,198.60x = 14,900,215,904.23
  5. Step 5: Solve for x
    x = 14,900,215,904.23/134,198.60
  6. Step 6: Final answer
    x = 111,031.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.