Home / 143,727.21-215,491.39-63,721.49

Finding the Fourth Proportional to 143,727.21, 215,491.39 and 63,721.49

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Solution

The fourth proportional to 143,727.21, 215,491.39 and 63,721.49 is: 95,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,727.21 : 215,491.39 = 63,721.49 : x
  2. Step 2: Convert to fraction form
    143,727.21/215,491.39 = 63,721.49/x
  3. Step 3: Cross multiply
    143,727.21x = 215,491.39 × 63,721.49
  4. Step 4: Simplify right side
    143,727.21x = 13,731,431,216.21
  5. Step 5: Solve for x
    x = 13,731,431,216.21/143,727.21
  6. Step 6: Final answer
    x = 95,538.15

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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.