Home / 117,942.06-162,815.20-75,524.78

Finding the Fourth Proportional to 117,942.06, 162,815.20 and 75,524.78

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Solution

The fourth proportional to 117,942.06, 162,815.20 and 75,524.78 is: 104,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.06 : 162,815.20 = 75,524.78 : x
  2. Step 2: Convert to fraction form
    117,942.06/162,815.20 = 75,524.78/x
  3. Step 3: Cross multiply
    117,942.06x = 162,815.20 × 75,524.78
  4. Step 4: Simplify right side
    117,942.06x = 12,296,582,160.66
  5. Step 5: Solve for x
    x = 12,296,582,160.66/117,942.06
  6. Step 6: Final answer
    x = 104,259.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.