Home / 143,029.30-197,369.49-82,572.34

Finding the Fourth Proportional to 143,029.30, 197,369.49 and 82,572.34

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Solution

The fourth proportional to 143,029.30, 197,369.49 and 82,572.34 is: 113,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,029.30 : 197,369.49 = 82,572.34 : x
  2. Step 2: Convert to fraction form
    143,029.30/197,369.49 = 82,572.34/x
  3. Step 3: Cross multiply
    143,029.30x = 197,369.49 × 82,572.34
  4. Step 4: Simplify right side
    143,029.30x = 16,297,260,633.91
  5. Step 5: Solve for x
    x = 16,297,260,633.91/143,029.30
  6. Step 6: Final answer
    x = 113,943.51

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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.