Home / 213,845.57-320,755.89-56,073.97

Finding the Fourth Proportional to 213,845.57, 320,755.89 and 56,073.97

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Solution

The fourth proportional to 213,845.57, 320,755.89 and 56,073.97 is: 84,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,845.57 : 320,755.89 = 56,073.97 : x
  2. Step 2: Convert to fraction form
    213,845.57/320,755.89 = 56,073.97/x
  3. Step 3: Cross multiply
    213,845.57x = 320,755.89 × 56,073.97
  4. Step 4: Simplify right side
    213,845.57x = 17,986,054,549.40
  5. Step 5: Solve for x
    x = 17,986,054,549.40/213,845.57
  6. Step 6: Final answer
    x = 84,107.68

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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.