Home / 143,045.53-214,709.54-107,382.85

Finding the Fourth Proportional to 143,045.53, 214,709.54 and 107,382.85

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Solution

The fourth proportional to 143,045.53, 214,709.54 and 107,382.85 is: 161,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,045.53 : 214,709.54 = 107,382.85 : x
  2. Step 2: Convert to fraction form
    143,045.53/214,709.54 = 107,382.85/x
  3. Step 3: Cross multiply
    143,045.53x = 214,709.54 × 107,382.85
  4. Step 4: Simplify right side
    143,045.53x = 23,056,122,327.39
  5. Step 5: Solve for x
    x = 23,056,122,327.39/143,045.53
  6. Step 6: Final answer
    x = 161,180.31

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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.