Home / 143,318.84-214,954.20-43,455.15

Finding the Fourth Proportional to 143,318.84, 214,954.20 and 43,455.15

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Solution

The fourth proportional to 143,318.84, 214,954.20 and 43,455.15 is: 65,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.84 : 214,954.20 = 43,455.15 : x
  2. Step 2: Convert to fraction form
    143,318.84/214,954.20 = 43,455.15/x
  3. Step 3: Cross multiply
    143,318.84x = 214,954.20 × 43,455.15
  4. Step 4: Simplify right side
    143,318.84x = 9,340,867,004.13
  5. Step 5: Solve for x
    x = 9,340,867,004.13/143,318.84
  6. Step 6: Final answer
    x = 65,175.43

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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.