Home / 143,029.20-197,389.67-82,602.39

Finding the Fourth Proportional to 143,029.20, 197,389.67 and 82,602.39

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Solution

The fourth proportional to 143,029.20, 197,389.67 and 82,602.39 is: 113,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,029.20 : 197,389.67 = 82,602.39 : x
  2. Step 2: Convert to fraction form
    143,029.20/197,389.67 = 82,602.39/x
  3. Step 3: Cross multiply
    143,029.20x = 197,389.67 × 82,602.39
  4. Step 4: Simplify right side
    143,029.20x = 16,304,858,090.30
  5. Step 5: Solve for x
    x = 16,304,858,090.30/143,029.20
  6. Step 6: Final answer
    x = 113,996.71

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1.5x scale

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.