Home / 143,773.40-215,756.09-50,279.15

Finding the Fourth Proportional to 143,773.40, 215,756.09 and 50,279.15

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Solution

The fourth proportional to 143,773.40, 215,756.09 and 50,279.15 is: 75,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,773.40 : 215,756.09 = 50,279.15 : x
  2. Step 2: Convert to fraction form
    143,773.40/215,756.09 = 50,279.15/x
  3. Step 3: Cross multiply
    143,773.40x = 215,756.09 × 50,279.15
  4. Step 4: Simplify right side
    143,773.40x = 10,848,033,289.06
  5. Step 5: Solve for x
    x = 10,848,033,289.06/143,773.40
  6. Step 6: Final answer
    x = 75,452.30

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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.