Home / 143,175.17-214,809.46-68,285.58

Finding the Fourth Proportional to 143,175.17, 214,809.46 and 68,285.58

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Solution

The fourth proportional to 143,175.17, 214,809.46 and 68,285.58 is: 102,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,175.17 : 214,809.46 = 68,285.58 : x
  2. Step 2: Convert to fraction form
    143,175.17/214,809.46 = 68,285.58/x
  3. Step 3: Cross multiply
    143,175.17x = 214,809.46 × 68,285.58
  4. Step 4: Simplify right side
    143,175.17x = 14,668,388,565.59
  5. Step 5: Solve for x
    x = 14,668,388,565.59/143,175.17
  6. Step 6: Final answer
    x = 102,450.65

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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.