Home / 143,367.72-214,917.21-48,531.57

Finding the Fourth Proportional to 143,367.72, 214,917.21 and 48,531.57

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Solution

The fourth proportional to 143,367.72, 214,917.21 and 48,531.57 is: 72,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,367.72 : 214,917.21 = 48,531.57 : x
  2. Step 2: Convert to fraction form
    143,367.72/214,917.21 = 48,531.57/x
  3. Step 3: Cross multiply
    143,367.72x = 214,917.21 × 48,531.57
  4. Step 4: Simplify right side
    143,367.72x = 10,430,269,621.32
  5. Step 5: Solve for x
    x = 10,430,269,621.32/143,367.72
  6. Step 6: Final answer
    x = 72,751.87

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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.