Home / 143,259.09-214,593.32-83,914.85

Finding the Fourth Proportional to 143,259.09, 214,593.32 and 83,914.85

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Solution

The fourth proportional to 143,259.09, 214,593.32 and 83,914.85 is: 125,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.09 : 214,593.32 = 83,914.85 : x
  2. Step 2: Convert to fraction form
    143,259.09/214,593.32 = 83,914.85/x
  3. Step 3: Cross multiply
    143,259.09x = 214,593.32 × 83,914.85
  4. Step 4: Simplify right side
    143,259.09x = 18,007,566,258.80
  5. Step 5: Solve for x
    x = 18,007,566,258.80/143,259.09
  6. Step 6: Final answer
    x = 125,699.29

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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.