Home / 152,083.82-209,857.32-84,091.64

Finding the Fourth Proportional to 152,083.82, 209,857.32 and 84,091.64

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Solution

The fourth proportional to 152,083.82, 209,857.32 and 84,091.64 is: 116,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,083.82 : 209,857.32 = 84,091.64 : x
  2. Step 2: Convert to fraction form
    152,083.82/209,857.32 = 84,091.64/x
  3. Step 3: Cross multiply
    152,083.82x = 209,857.32 × 84,091.64
  4. Step 4: Simplify right side
    152,083.82x = 17,647,246,204.80
  5. Step 5: Solve for x
    x = 17,647,246,204.80/152,083.82
  6. Step 6: Final answer
    x = 116,036.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.