Home / 143,394.32-197,889.26-82,151.48

Finding the Fourth Proportional to 143,394.32, 197,889.26 and 82,151.48

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Solution

The fourth proportional to 143,394.32, 197,889.26 and 82,151.48 is: 113,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,394.32 : 197,889.26 = 82,151.48 : x
  2. Step 2: Convert to fraction form
    143,394.32/197,889.26 = 82,151.48/x
  3. Step 3: Cross multiply
    143,394.32x = 197,889.26 × 82,151.48
  4. Step 4: Simplify right side
    143,394.32x = 16,256,894,184.90
  5. Step 5: Solve for x
    x = 16,256,894,184.90/143,394.32
  6. Step 6: Final answer
    x = 113,371.96

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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.