Home / 143,836.41-215,785.79-55,089.93

Finding the Fourth Proportional to 143,836.41, 215,785.79 and 55,089.93

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Solution

The fourth proportional to 143,836.41, 215,785.79 and 55,089.93 is: 82,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,836.41 : 215,785.79 = 55,089.93 : x
  2. Step 2: Convert to fraction form
    143,836.41/215,785.79 = 55,089.93/x
  3. Step 3: Cross multiply
    143,836.41x = 215,785.79 × 55,089.93
  4. Step 4: Simplify right side
    143,836.41x = 11,887,623,790.65
  5. Step 5: Solve for x
    x = 11,887,623,790.65/143,836.41
  6. Step 6: Final answer
    x = 82,646.83

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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.