Home / 143,441.56-215,196.36-90,895.24

Finding the Fourth Proportional to 143,441.56, 215,196.36 and 90,895.24

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Solution

The fourth proportional to 143,441.56, 215,196.36 and 90,895.24 is: 136,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,441.56 : 215,196.36 = 90,895.24 : x
  2. Step 2: Convert to fraction form
    143,441.56/215,196.36 = 90,895.24/x
  3. Step 3: Cross multiply
    143,441.56x = 215,196.36 × 90,895.24
  4. Step 4: Simplify right side
    143,441.56x = 19,560,324,789.33
  5. Step 5: Solve for x
    x = 19,560,324,789.33/143,441.56
  6. Step 6: Final answer
    x = 136,364.42

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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.