Home / 143,896.30-215,875.58-55,149.87

Finding the Fourth Proportional to 143,896.30, 215,875.58 and 55,149.87

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Solution

The fourth proportional to 143,896.30, 215,875.58 and 55,149.87 is: 82,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896.30 : 215,875.58 = 55,149.87 : x
  2. Step 2: Convert to fraction form
    143,896.30/215,875.58 = 55,149.87/x
  3. Step 3: Cross multiply
    143,896.30x = 215,875.58 × 55,149.87
  4. Step 4: Simplify right side
    143,896.30x = 11,905,510,173.17
  5. Step 5: Solve for x
    x = 11,905,510,173.17/143,896.30
  6. Step 6: Final answer
    x = 82,736.74

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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.