Home / 110,738.58-166,129.74-40,618.50

Finding the Fourth Proportional to 110,738.58, 166,129.74 and 40,618.50

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Solution

The fourth proportional to 110,738.58, 166,129.74 and 40,618.50 is: 60,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,738.58 : 166,129.74 = 40,618.50 : x
  2. Step 2: Convert to fraction form
    110,738.58/166,129.74 = 40,618.50/x
  3. Step 3: Cross multiply
    110,738.58x = 166,129.74 × 40,618.50
  4. Step 4: Simplify right side
    110,738.58x = 6,747,940,844.19
  5. Step 5: Solve for x
    x = 6,747,940,844.19/110,738.58
  6. Step 6: Final answer
    x = 60,935.77

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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.