Home / 143,264.03-197,692.78-82,838.58

Finding the Fourth Proportional to 143,264.03, 197,692.78 and 82,838.58

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Solution

The fourth proportional to 143,264.03, 197,692.78 and 82,838.58 is: 114,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,264.03 : 197,692.78 = 82,838.58 : x
  2. Step 2: Convert to fraction form
    143,264.03/197,692.78 = 82,838.58/x
  3. Step 3: Cross multiply
    143,264.03x = 197,692.78 × 82,838.58
  4. Step 4: Simplify right side
    143,264.03x = 16,376,589,490.35
  5. Step 5: Solve for x
    x = 16,376,589,490.35/143,264.03
  6. Step 6: Final answer
    x = 114,310.55

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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.