Home / 110,824.08-166,236.12-85,914.96

Finding the Fourth Proportional to 110,824.08, 166,236.12 and 85,914.96

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Solution

The fourth proportional to 110,824.08, 166,236.12 and 85,914.96 is: 128,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,824.08 : 166,236.12 = 85,914.96 : x
  2. Step 2: Convert to fraction form
    110,824.08/166,236.12 = 85,914.96/x
  3. Step 3: Cross multiply
    110,824.08x = 166,236.12 × 85,914.96
  4. Step 4: Simplify right side
    110,824.08x = 14,282,169,600.36
  5. Step 5: Solve for x
    x = 14,282,169,600.36/110,824.08
  6. Step 6: Final answer
    x = 128,872.44

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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.