Home / 112,493.57-168,736.82-45,934.34

Finding the Fourth Proportional to 112,493.57, 168,736.82 and 45,934.34

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Solution

The fourth proportional to 112,493.57, 168,736.82 and 45,934.34 is: 68,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,493.57 : 168,736.82 = 45,934.34 : x
  2. Step 2: Convert to fraction form
    112,493.57/168,736.82 = 45,934.34/x
  3. Step 3: Cross multiply
    112,493.57x = 168,736.82 × 45,934.34
  4. Step 4: Simplify right side
    112,493.57x = 7,750,813,387.04
  5. Step 5: Solve for x
    x = 7,750,813,387.04/112,493.57
  6. Step 6: Final answer
    x = 68,900.06

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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.