Home / 143,580.36-215,152.26-68,597.22

Finding the Fourth Proportional to 143,580.36, 215,152.26 and 68,597.22

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Solution

The fourth proportional to 143,580.36, 215,152.26 and 68,597.22 is: 102,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,580.36 : 215,152.26 = 68,597.22 : x
  2. Step 2: Convert to fraction form
    143,580.36/215,152.26 = 68,597.22/x
  3. Step 3: Cross multiply
    143,580.36x = 215,152.26 × 68,597.22
  4. Step 4: Simplify right side
    143,580.36x = 14,758,846,912.72
  5. Step 5: Solve for x
    x = 14,758,846,912.72/143,580.36
  6. Step 6: Final answer
    x = 102,791.54

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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.