Home / 143,427.24-215,147.52-43,601.76

Finding the Fourth Proportional to 143,427.24, 215,147.52 and 43,601.76

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Solution

The fourth proportional to 143,427.24, 215,147.52 and 43,601.76 is: 65,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,427.24 : 215,147.52 = 43,601.76 : x
  2. Step 2: Convert to fraction form
    143,427.24/215,147.52 = 43,601.76/x
  3. Step 3: Cross multiply
    143,427.24x = 215,147.52 × 43,601.76
  4. Step 4: Simplify right side
    143,427.24x = 9,380,810,531.64
  5. Step 5: Solve for x
    x = 9,380,810,531.64/143,427.24
  6. Step 6: Final answer
    x = 65,404.66

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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.