Home / 143,010.30-214,744.47-117,995.88

Finding the Fourth Proportional to 143,010.30, 214,744.47 and 117,995.88

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Solution

The fourth proportional to 143,010.30, 214,744.47 and 117,995.88 is: 177,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010.30 : 214,744.47 = 117,995.88 : x
  2. Step 2: Convert to fraction form
    143,010.30/214,744.47 = 117,995.88/x
  3. Step 3: Cross multiply
    143,010.30x = 214,744.47 × 117,995.88
  4. Step 4: Simplify right side
    143,010.30x = 25,338,962,712.78
  5. Step 5: Solve for x
    x = 25,338,962,712.78/143,010.30
  6. Step 6: Final answer
    x = 177,182.78

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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.