Home / 143,326.26-214,986.96-43,487.28

Finding the Fourth Proportional to 143,326.26, 214,986.96 and 43,487.28

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Solution

The fourth proportional to 143,326.26, 214,986.96 and 43,487.28 is: 65,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,326.26 : 214,986.96 = 43,487.28 : x
  2. Step 2: Convert to fraction form
    143,326.26/214,986.96 = 43,487.28/x
  3. Step 3: Cross multiply
    143,326.26x = 214,986.96 × 43,487.28
  4. Step 4: Simplify right side
    143,326.26x = 9,349,198,125.87
  5. Step 5: Solve for x
    x = 9,349,198,125.87/143,326.26
  6. Step 6: Final answer
    x = 65,230.18

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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.