Home / 143,761.64-215,675.27-43,936.03

Finding the Fourth Proportional to 143,761.64, 215,675.27 and 43,936.03

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Solution

The fourth proportional to 143,761.64, 215,675.27 and 43,936.03 is: 65,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,761.64 : 215,675.27 = 43,936.03 : x
  2. Step 2: Convert to fraction form
    143,761.64/215,675.27 = 43,936.03/x
  3. Step 3: Cross multiply
    143,761.64x = 215,675.27 × 43,936.03
  4. Step 4: Simplify right side
    143,761.64x = 9,475,913,834.92
  5. Step 5: Solve for x
    x = 9,475,913,834.92/143,761.64
  6. Step 6: Final answer
    x = 65,914.06

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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.