Home / 143,318.96-214,989.36-43,487.24

Finding the Fourth Proportional to 143,318.96, 214,989.36 and 43,487.24

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Solution

The fourth proportional to 143,318.96, 214,989.36 and 43,487.24 is: 65,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.96 : 214,989.36 = 43,487.24 : x
  2. Step 2: Convert to fraction form
    143,318.96/214,989.36 = 43,487.24/x
  3. Step 3: Cross multiply
    143,318.96x = 214,989.36 × 43,487.24
  4. Step 4: Simplify right side
    143,318.96x = 9,349,293,895.77
  5. Step 5: Solve for x
    x = 9,349,293,895.77/143,318.96
  6. Step 6: Final answer
    x = 65,234.17

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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.