Home / 143,847.02-215,794.67-43,983.81

Finding the Fourth Proportional to 143,847.02, 215,794.67 and 43,983.81

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Solution

The fourth proportional to 143,847.02, 215,794.67 and 43,983.81 is: 65,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,847.02 : 215,794.67 = 43,983.81 : x
  2. Step 2: Convert to fraction form
    143,847.02/215,794.67 = 43,983.81/x
  3. Step 3: Cross multiply
    143,847.02x = 215,794.67 × 43,983.81
  4. Step 4: Simplify right side
    143,847.02x = 9,491,471,544.37
  5. Step 5: Solve for x
    x = 9,491,471,544.37/143,847.02
  6. Step 6: Final answer
    x = 65,983.09

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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.