Home / 143,918.62-215,878.46-44,078.42

Finding the Fourth Proportional to 143,918.62, 215,878.46 and 44,078.42

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Solution

The fourth proportional to 143,918.62, 215,878.46 and 44,078.42 is: 66,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,918.62 : 215,878.46 = 44,078.42 : x
  2. Step 2: Convert to fraction form
    143,918.62/215,878.46 = 44,078.42/x
  3. Step 3: Cross multiply
    143,918.62x = 215,878.46 × 44,078.42
  4. Step 4: Simplify right side
    143,918.62x = 9,515,581,428.83
  5. Step 5: Solve for x
    x = 9,515,581,428.83/143,918.62
  6. Step 6: Final answer
    x = 66,117.79

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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.