Home / 142,644.36-213,626.92-82,546.14

Finding the Fourth Proportional to 142,644.36, 213,626.92 and 82,546.14

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Solution

The fourth proportional to 142,644.36, 213,626.92 and 82,546.14 is: 123,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,644.36 : 213,626.92 = 82,546.14 : x
  2. Step 2: Convert to fraction form
    142,644.36/213,626.92 = 82,546.14/x
  3. Step 3: Cross multiply
    142,644.36x = 213,626.92 × 82,546.14
  4. Step 4: Simplify right side
    142,644.36x = 17,634,077,646.09
  5. Step 5: Solve for x
    x = 17,634,077,646.09/142,644.36
  6. Step 6: Final answer
    x = 123,622.68

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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.