Home / 143,075.91-214,679.46-73,004.43

Finding the Fourth Proportional to 143,075.91, 214,679.46 and 73,004.43

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Solution

The fourth proportional to 143,075.91, 214,679.46 and 73,004.43 is: 109,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,075.91 : 214,679.46 = 73,004.43 : x
  2. Step 2: Convert to fraction form
    143,075.91/214,679.46 = 73,004.43/x
  3. Step 3: Cross multiply
    143,075.91x = 214,679.46 × 73,004.43
  4. Step 4: Simplify right side
    143,075.91x = 15,672,551,610.01
  5. Step 5: Solve for x
    x = 15,672,551,610.01/143,075.91
  6. Step 6: Final answer
    x = 109,540.11

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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.