Home / 111,222.32-166,798.96-40,135.72

Finding the Fourth Proportional to 111,222.32, 166,798.96 and 40,135.72

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Solution

The fourth proportional to 111,222.32, 166,798.96 and 40,135.72 is: 60,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,222.32 : 166,798.96 = 40,135.72 : x
  2. Step 2: Convert to fraction form
    111,222.32/166,798.96 = 40,135.72/x
  3. Step 3: Cross multiply
    111,222.32x = 166,798.96 × 40,135.72
  4. Step 4: Simplify right side
    111,222.32x = 6,694,596,354.85
  5. Step 5: Solve for x
    x = 6,694,596,354.85/111,222.32
  6. Step 6: Final answer
    x = 60,191.12

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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.