Home / 112,498.40-168,750.66-49,286

Finding the Fourth Proportional to 112,498.40, 168,750.66 and 49,286

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Solution

The fourth proportional to 112,498.40, 168,750.66 and 49,286 is: 73,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.40 : 168,750.66 = 49,286 : x
  2. Step 2: Convert to fraction form
    112,498.40/168,750.66 = 49,286/x
  3. Step 3: Cross multiply
    112,498.40x = 168,750.66 × 49,286
  4. Step 4: Simplify right side
    112,498.40x = 8,317,045,028.76
  5. Step 5: Solve for x
    x = 8,317,045,028.76/112,498.40
  6. Step 6: Final answer
    x = 73,930.34

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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.