Home / 143,318.20-214,977.82-43,479.24

Finding the Fourth Proportional to 143,318.20, 214,977.82 and 43,479.24

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Solution

The fourth proportional to 143,318.20, 214,977.82 and 43,479.24 is: 65,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.20 : 214,977.82 = 43,479.24 : x
  2. Step 2: Convert to fraction form
    143,318.20/214,977.82 = 43,479.24/x
  3. Step 3: Cross multiply
    143,318.20x = 214,977.82 × 43,479.24
  4. Step 4: Simplify right side
    143,318.20x = 9,347,072,230.46
  5. Step 5: Solve for x
    x = 9,347,072,230.46/143,318.20
  6. Step 6: Final answer
    x = 65,219.02

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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.