Home / 112,736.84-168,886.39-100,758.92

Finding the Fourth Proportional to 112,736.84, 168,886.39 and 100,758.92

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Solution

The fourth proportional to 112,736.84, 168,886.39 and 100,758.92 is: 150,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,736.84 : 168,886.39 = 100,758.92 : x
  2. Step 2: Convert to fraction form
    112,736.84/168,886.39 = 100,758.92/x
  3. Step 3: Cross multiply
    112,736.84x = 168,886.39 × 100,758.92
  4. Step 4: Simplify right side
    112,736.84x = 17,016,809,162.77
  5. Step 5: Solve for x
    x = 17,016,809,162.77/112,736.84
  6. Step 6: Final answer
    x = 150,942.75

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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.