Home / 105,874.75-146,107.40-58,131.17

Finding the Fourth Proportional to 105,874.75, 146,107.40 and 58,131.17

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Solution

The fourth proportional to 105,874.75, 146,107.40 and 58,131.17 is: 80,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,874.75 : 146,107.40 = 58,131.17 : x
  2. Step 2: Convert to fraction form
    105,874.75/146,107.40 = 58,131.17/x
  3. Step 3: Cross multiply
    105,874.75x = 146,107.40 × 58,131.17
  4. Step 4: Simplify right side
    105,874.75x = 8,493,393,634.37
  5. Step 5: Solve for x
    x = 8,493,393,634.37/105,874.75
  6. Step 6: Final answer
    x = 80,221.15

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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.