Home / 143,028.10-214,351.08-75,422.26

Finding the Fourth Proportional to 143,028.10, 214,351.08 and 75,422.26

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Solution

The fourth proportional to 143,028.10, 214,351.08 and 75,422.26 is: 113,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,028.10 : 214,351.08 = 75,422.26 : x
  2. Step 2: Convert to fraction form
    143,028.10/214,351.08 = 75,422.26/x
  3. Step 3: Cross multiply
    143,028.10x = 214,351.08 × 75,422.26
  4. Step 4: Simplify right side
    143,028.10x = 16,166,842,887.04
  5. Step 5: Solve for x
    x = 16,166,842,887.04/143,028.10
  6. Step 6: Final answer
    x = 113,032.63

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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.