Home / 144,972.83-200,064.46-108,609.70

Finding the Fourth Proportional to 144,972.83, 200,064.46 and 108,609.70

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Solution

The fourth proportional to 144,972.83, 200,064.46 and 108,609.70 is: 149,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,972.83 : 200,064.46 = 108,609.70 : x
  2. Step 2: Convert to fraction form
    144,972.83/200,064.46 = 108,609.70/x
  3. Step 3: Cross multiply
    144,972.83x = 200,064.46 × 108,609.70
  4. Step 4: Simplify right side
    144,972.83x = 21,728,940,981.26
  5. Step 5: Solve for x
    x = 21,728,940,981.26/144,972.83
  6. Step 6: Final answer
    x = 149,882.85

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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.