Home / 112,651.97-169,196.65-82,952.51

Finding the Fourth Proportional to 112,651.97, 169,196.65 and 82,952.51

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Solution

The fourth proportional to 112,651.97, 169,196.65 and 82,952.51 is: 124,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,651.97 : 169,196.65 = 82,952.51 : x
  2. Step 2: Convert to fraction form
    112,651.97/169,196.65 = 82,952.51/x
  3. Step 3: Cross multiply
    112,651.97x = 169,196.65 × 82,952.51
  4. Step 4: Simplify right side
    112,651.97x = 14,035,286,801.09
  5. Step 5: Solve for x
    x = 14,035,286,801.09/112,651.97
  6. Step 6: Final answer
    x = 124,589.80

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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.