Home / 143,558.05-215,382.33-67,653.52

Finding the Fourth Proportional to 143,558.05, 215,382.33 and 67,653.52

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Solution

The fourth proportional to 143,558.05, 215,382.33 and 67,653.52 is: 101,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,558.05 : 215,382.33 = 67,653.52 : x
  2. Step 2: Convert to fraction form
    143,558.05/215,382.33 = 67,653.52/x
  3. Step 3: Cross multiply
    143,558.05x = 215,382.33 × 67,653.52
  4. Step 4: Simplify right side
    143,558.05x = 14,571,372,770.30
  5. Step 5: Solve for x
    x = 14,571,372,770.30/143,558.05
  6. Step 6: Final answer
    x = 101,501.61

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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.