Home / 143,064.47-197,383.30-82,627.13

Finding the Fourth Proportional to 143,064.47, 197,383.30 and 82,627.13

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Solution

The fourth proportional to 143,064.47, 197,383.30 and 82,627.13 is: 113,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,064.47 : 197,383.30 = 82,627.13 : x
  2. Step 2: Convert to fraction form
    143,064.47/197,383.30 = 82,627.13/x
  3. Step 3: Cross multiply
    143,064.47x = 197,383.30 × 82,627.13
  4. Step 4: Simplify right side
    143,064.47x = 16,309,214,395.44
  5. Step 5: Solve for x
    x = 16,309,214,395.44/143,064.47
  6. Step 6: Final answer
    x = 113,999.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.