Home / 97,622.49-146,339.40-79,891.38

Finding the Fourth Proportional to 97,622.49, 146,339.40 and 79,891.38

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Solution

The fourth proportional to 97,622.49, 146,339.40 and 79,891.38 is: 119,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,622.49 : 146,339.40 = 79,891.38 : x
  2. Step 2: Convert to fraction form
    97,622.49/146,339.40 = 79,891.38/x
  3. Step 3: Cross multiply
    97,622.49x = 146,339.40 × 79,891.38
  4. Step 4: Simplify right side
    97,622.49x = 11,691,256,614.37
  5. Step 5: Solve for x
    x = 11,691,256,614.37/97,622.49
  6. Step 6: Final answer
    x = 119,759.87

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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.