Home / 112,961.64-169,296.66-53,815.56

Finding the Fourth Proportional to 112,961.64, 169,296.66 and 53,815.56

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Solution

The fourth proportional to 112,961.64, 169,296.66 and 53,815.56 is: 80,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,961.64 : 169,296.66 = 53,815.56 : x
  2. Step 2: Convert to fraction form
    112,961.64/169,296.66 = 53,815.56/x
  3. Step 3: Cross multiply
    112,961.64x = 169,296.66 × 53,815.56
  4. Step 4: Simplify right side
    112,961.64x = 9,110,794,564.03
  5. Step 5: Solve for x
    x = 9,110,794,564.03/112,961.64
  6. Step 6: Final answer
    x = 80,653.88

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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.