Home / 105,864.62-146,093.42-58,121.04

Finding the Fourth Proportional to 105,864.62, 146,093.42 and 58,121.04

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Solution

The fourth proportional to 105,864.62, 146,093.42 and 58,121.04 is: 80,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,864.62 : 146,093.42 = 58,121.04 : x
  2. Step 2: Convert to fraction form
    105,864.62/146,093.42 = 58,121.04/x
  3. Step 3: Cross multiply
    105,864.62x = 146,093.42 × 58,121.04
  4. Step 4: Simplify right side
    105,864.62x = 8,491,102,200.71
  5. Step 5: Solve for x
    x = 8,491,102,200.71/105,864.62
  6. Step 6: Final answer
    x = 80,207.18

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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.