Home / 168,259.09-252,139.30-68,297.65

Finding the Fourth Proportional to 168,259.09, 252,139.30 and 68,297.65

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Solution

The fourth proportional to 168,259.09, 252,139.30 and 68,297.65 is: 102,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,259.09 : 252,139.30 = 68,297.65 : x
  2. Step 2: Convert to fraction form
    168,259.09/252,139.30 = 68,297.65/x
  3. Step 3: Cross multiply
    168,259.09x = 252,139.30 × 68,297.65
  4. Step 4: Simplify right side
    168,259.09x = 17,220,521,662.65
  5. Step 5: Solve for x
    x = 17,220,521,662.65/168,259.09
  6. Step 6: Final answer
    x = 102,345.27

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1.5x scale

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.