Home / 143,311.20-214,707.60-116,872.80

Finding the Fourth Proportional to 143,311.20, 214,707.60 and 116,872.80

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Solution

The fourth proportional to 143,311.20, 214,707.60 and 116,872.80 is: 175,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,311.20 : 214,707.60 = 116,872.80 : x
  2. Step 2: Convert to fraction form
    143,311.20/214,707.60 = 116,872.80/x
  3. Step 3: Cross multiply
    143,311.20x = 214,707.60 × 116,872.80
  4. Step 4: Simplify right side
    143,311.20x = 25,093,478,393.28
  5. Step 5: Solve for x
    x = 25,093,478,393.28/143,311.20
  6. Step 6: Final answer
    x = 175,097.82

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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.