Home / 283,839.96-425,636.31-81,391.33

Finding the Fourth Proportional to 283,839.96, 425,636.31 and 81,391.33

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Solution

The fourth proportional to 283,839.96, 425,636.31 and 81,391.33 is: 122,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,839.96 : 425,636.31 = 81,391.33 : x
  2. Step 2: Convert to fraction form
    283,839.96/425,636.31 = 81,391.33/x
  3. Step 3: Cross multiply
    283,839.96x = 425,636.31 × 81,391.33
  4. Step 4: Simplify right side
    283,839.96x = 34,643,104,303.10
  5. Step 5: Solve for x
    x = 34,643,104,303.10/283,839.96
  6. Step 6: Final answer
    x = 122,051.54

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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.