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Finding the Fourth Proportional to 125,446.98, 173,260.52 and 82,617.94

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Solution

The fourth proportional to 125,446.98, 173,260.52 and 82,617.94 is: 114,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,446.98 : 173,260.52 = 82,617.94 : x
  2. Step 2: Convert to fraction form
    125,446.98/173,260.52 = 82,617.94/x
  3. Step 3: Cross multiply
    125,446.98x = 173,260.52 × 82,617.94
  4. Step 4: Simplify right side
    125,446.98x = 14,314,427,245.73
  5. Step 5: Solve for x
    x = 14,314,427,245.73/125,446.98
  6. Step 6: Final answer
    x = 114,107.39

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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.