Home / 143,896.56-215,660.09-68,904.33

Finding the Fourth Proportional to 143,896.56, 215,660.09 and 68,904.33

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Solution

The fourth proportional to 143,896.56, 215,660.09 and 68,904.33 is: 103,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896.56 : 215,660.09 = 68,904.33 : x
  2. Step 2: Convert to fraction form
    143,896.56/215,660.09 = 68,904.33/x
  3. Step 3: Cross multiply
    143,896.56x = 215,660.09 × 68,904.33
  4. Step 4: Simplify right side
    143,896.56x = 14,859,913,664.67
  5. Step 5: Solve for x
    x = 14,859,913,664.67/143,896.56
  6. Step 6: Final answer
    x = 103,268.03

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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.