Home / 143,112.47-214,669.44-83,906.62

Finding the Fourth Proportional to 143,112.47, 214,669.44 and 83,906.62

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Solution

The fourth proportional to 143,112.47, 214,669.44 and 83,906.62 is: 125,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,112.47 : 214,669.44 = 83,906.62 : x
  2. Step 2: Convert to fraction form
    143,112.47/214,669.44 = 83,906.62/x
  3. Step 3: Cross multiply
    143,112.47x = 214,669.44 × 83,906.62
  4. Step 4: Simplify right side
    143,112.47x = 18,012,186,591.02
  5. Step 5: Solve for x
    x = 18,012,186,591.02/143,112.47
  6. Step 6: Final answer
    x = 125,860.36

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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.