Home / 143,400.26-214,906.61-54,605.32

Finding the Fourth Proportional to 143,400.26, 214,906.61 and 54,605.32

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Solution

The fourth proportional to 143,400.26, 214,906.61 and 54,605.32 is: 81,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400.26 : 214,906.61 = 54,605.32 : x
  2. Step 2: Convert to fraction form
    143,400.26/214,906.61 = 54,605.32/x
  3. Step 3: Cross multiply
    143,400.26x = 214,906.61 × 54,605.32
  4. Step 4: Simplify right side
    143,400.26x = 11,735,044,209.17
  5. Step 5: Solve for x
    x = 11,735,044,209.17/143,400.26
  6. Step 6: Final answer
    x = 81,834.19

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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.