Home / 143,927.70-215,999.55-73,770.90

Finding the Fourth Proportional to 143,927.70, 215,999.55 and 73,770.90

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Solution

The fourth proportional to 143,927.70, 215,999.55 and 73,770.90 is: 110,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927.70 : 215,999.55 = 73,770.90 : x
  2. Step 2: Convert to fraction form
    143,927.70/215,999.55 = 73,770.90/x
  3. Step 3: Cross multiply
    143,927.70x = 215,999.55 × 73,770.90
  4. Step 4: Simplify right side
    143,927.70x = 15,934,481,203.10
  5. Step 5: Solve for x
    x = 15,934,481,203.10/143,927.70
  6. Step 6: Final answer
    x = 110,711.71

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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.