Home / 143,199.50-214,826.78-54,446.07

Finding the Fourth Proportional to 143,199.50, 214,826.78 and 54,446.07

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Solution

The fourth proportional to 143,199.50, 214,826.78 and 54,446.07 is: 81,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,199.50 : 214,826.78 = 54,446.07 : x
  2. Step 2: Convert to fraction form
    143,199.50/214,826.78 = 54,446.07/x
  3. Step 3: Cross multiply
    143,199.50x = 214,826.78 × 54,446.07
  4. Step 4: Simplify right side
    143,199.50x = 11,696,474,843.47
  5. Step 5: Solve for x
    x = 11,696,474,843.47/143,199.50
  6. Step 6: Final answer
    x = 81,679.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.