Home / 143,001.73-197,371.11-82,582.21

Finding the Fourth Proportional to 143,001.73, 197,371.11 and 82,582.21

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Solution

The fourth proportional to 143,001.73, 197,371.11 and 82,582.21 is: 113,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,001.73 : 197,371.11 = 82,582.21 : x
  2. Step 2: Convert to fraction form
    143,001.73/197,371.11 = 82,582.21/x
  3. Step 3: Cross multiply
    143,001.73x = 197,371.11 × 82,582.21
  4. Step 4: Simplify right side
    143,001.73x = 16,299,342,453.95
  5. Step 5: Solve for x
    x = 16,299,342,453.95/143,001.73
  6. Step 6: Final answer
    x = 113,980.04

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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.