Home / 168,403.83-252,605.04-68,540.35

Finding the Fourth Proportional to 168,403.83, 252,605.04 and 68,540.35

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Solution

The fourth proportional to 168,403.83, 252,605.04 and 68,540.35 is: 102,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403.83 : 252,605.04 = 68,540.35 : x
  2. Step 2: Convert to fraction form
    168,403.83/252,605.04 = 68,540.35/x
  3. Step 3: Cross multiply
    168,403.83x = 252,605.04 × 68,540.35
  4. Step 4: Simplify right side
    168,403.83x = 17,313,637,853.36
  5. Step 5: Solve for x
    x = 17,313,637,853.36/168,403.83
  6. Step 6: Final answer
    x = 102,810.24

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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.