Home / 143,270.03-197,701.07-82,844.58

Finding the Fourth Proportional to 143,270.03, 197,701.07 and 82,844.58

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Solution

The fourth proportional to 143,270.03, 197,701.07 and 82,844.58 is: 114,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,270.03 : 197,701.07 = 82,844.58 : x
  2. Step 2: Convert to fraction form
    143,270.03/197,701.07 = 82,844.58/x
  3. Step 3: Cross multiply
    143,270.03x = 197,701.07 × 82,844.58
  4. Step 4: Simplify right side
    143,270.03x = 16,378,461,695.48
  5. Step 5: Solve for x
    x = 16,378,461,695.48/143,270.03
  6. Step 6: Final answer
    x = 114,318.83

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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.