Home / 143,271.20-214,906.80-44,775.20

Finding the Fourth Proportional to 143,271.20, 214,906.80 and 44,775.20

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Solution

The fourth proportional to 143,271.20, 214,906.80 and 44,775.20 is: 67,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,271.20 : 214,906.80 = 44,775.20 : x
  2. Step 2: Convert to fraction form
    143,271.20/214,906.80 = 44,775.20/x
  3. Step 3: Cross multiply
    143,271.20x = 214,906.80 × 44,775.20
  4. Step 4: Simplify right side
    143,271.20x = 9,622,493,876.83
  5. Step 5: Solve for x
    x = 9,622,493,876.83/143,271.20
  6. Step 6: Final answer
    x = 67,162.79

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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.