Home / 112,005.45-168,006.15-27,765.81

Finding the Fourth Proportional to 112,005.45, 168,006.15 and 27,765.81

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Solution

The fourth proportional to 112,005.45, 168,006.15 and 27,765.81 is: 41,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.45 : 168,006.15 = 27,765.81 : x
  2. Step 2: Convert to fraction form
    112,005.45/168,006.15 = 27,765.81/x
  3. Step 3: Cross multiply
    112,005.45x = 168,006.15 × 27,765.81
  4. Step 4: Simplify right side
    112,005.45x = 4,664,826,839.73
  5. Step 5: Solve for x
    x = 4,664,826,839.73/112,005.45
  6. Step 6: Final answer
    x = 41,648.21

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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.