Home / 112,509.40-168,764.26-45,949.54

Finding the Fourth Proportional to 112,509.40, 168,764.26 and 45,949.54

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Solution

The fourth proportional to 112,509.40, 168,764.26 and 45,949.54 is: 68,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,509.40 : 168,764.26 = 45,949.54 : x
  2. Step 2: Convert to fraction form
    112,509.40/168,764.26 = 45,949.54/x
  3. Step 3: Cross multiply
    112,509.40x = 168,764.26 × 45,949.54
  4. Step 4: Simplify right side
    112,509.40x = 7,754,640,115.44
  5. Step 5: Solve for x
    x = 7,754,640,115.44/112,509.40
  6. Step 6: Final answer
    x = 68,924.38

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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.