Home / 143,268.47-214,991.33-83,325.08

Finding the Fourth Proportional to 143,268.47, 214,991.33 and 83,325.08

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Solution

The fourth proportional to 143,268.47, 214,991.33 and 83,325.08 is: 125,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,268.47 : 214,991.33 = 83,325.08 : x
  2. Step 2: Convert to fraction form
    143,268.47/214,991.33 = 83,325.08/x
  3. Step 3: Cross multiply
    143,268.47x = 214,991.33 × 83,325.08
  4. Step 4: Simplify right side
    143,268.47x = 17,914,170,517.35
  5. Step 5: Solve for x
    x = 17,914,170,517.35/143,268.47
  6. Step 6: Final answer
    x = 125,039.17

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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.