Home / 139,972.10-209,958.00-34,791.07

Finding the Fourth Proportional to 139,972.10, 209,958.00 and 34,791.07

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Solution

The fourth proportional to 139,972.10, 209,958.00 and 34,791.07 is: 52,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,972.10 : 209,958.00 = 34,791.07 : x
  2. Step 2: Convert to fraction form
    139,972.10/209,958.00 = 34,791.07/x
  3. Step 3: Cross multiply
    139,972.10x = 209,958.00 × 34,791.07
  4. Step 4: Simplify right side
    139,972.10x = 7,304,663,311.22
  5. Step 5: Solve for x
    x = 7,304,663,311.22/139,972.10
  6. Step 6: Final answer
    x = 52,186.57

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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.