Home / 166,191.12-248,914.89-77,311.44

Finding the Fourth Proportional to 166,191.12, 248,914.89 and 77,311.44

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Solution

The fourth proportional to 166,191.12, 248,914.89 and 77,311.44 is: 115,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,191.12 : 248,914.89 = 77,311.44 : x
  2. Step 2: Convert to fraction form
    166,191.12/248,914.89 = 77,311.44/x
  3. Step 3: Cross multiply
    166,191.12x = 248,914.89 × 77,311.44
  4. Step 4: Simplify right side
    166,191.12x = 19,243,968,583.34
  5. Step 5: Solve for x
    x = 19,243,968,583.34/166,191.12
  6. Step 6: Final answer
    x = 115,794.20

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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.