Home / 112,650.97-169,195.15-82,951.51

Finding the Fourth Proportional to 112,650.97, 169,195.15 and 82,951.51

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Solution

The fourth proportional to 112,650.97, 169,195.15 and 82,951.51 is: 124,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,650.97 : 169,195.15 = 82,951.51 : x
  2. Step 2: Convert to fraction form
    112,650.97/169,195.15 = 82,951.51/x
  3. Step 3: Cross multiply
    112,650.97x = 169,195.15 × 82,951.51
  4. Step 4: Simplify right side
    112,650.97x = 14,034,992,123.82
  5. Step 5: Solve for x
    x = 14,034,992,123.82/112,650.97
  6. Step 6: Final answer
    x = 124,588.30

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1.5x scale

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.