Home / 143,006.25-214,565.87-54,283.31

Finding the Fourth Proportional to 143,006.25, 214,565.87 and 54,283.31

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Solution

The fourth proportional to 143,006.25, 214,565.87 and 54,283.31 is: 81,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,006.25 : 214,565.87 = 54,283.31 : x
  2. Step 2: Convert to fraction form
    143,006.25/214,565.87 = 54,283.31/x
  3. Step 3: Cross multiply
    143,006.25x = 214,565.87 × 54,283.31
  4. Step 4: Simplify right side
    143,006.25x = 11,647,344,292.38
  5. Step 5: Solve for x
    x = 11,647,344,292.38/143,006.25
  6. Step 6: Final answer
    x = 81,446.40

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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.