Home / 143,224.27-197,567.26-89,415.87

Finding the Fourth Proportional to 143,224.27, 197,567.26 and 89,415.87

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Solution

The fourth proportional to 143,224.27, 197,567.26 and 89,415.87 is: 123,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,224.27 : 197,567.26 = 89,415.87 : x
  2. Step 2: Convert to fraction form
    143,224.27/197,567.26 = 89,415.87/x
  3. Step 3: Cross multiply
    143,224.27x = 197,567.26 × 89,415.87
  4. Step 4: Simplify right side
    143,224.27x = 17,665,647,624.09
  5. Step 5: Solve for x
    x = 17,665,647,624.09/143,224.27
  6. Step 6: Final answer
    x = 123,342.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.