Home / 168,565.23-252,699.30-68,809.23

Finding the Fourth Proportional to 168,565.23, 252,699.30 and 68,809.23

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Solution

The fourth proportional to 168,565.23, 252,699.30 and 68,809.23 is: 103,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,565.23 : 252,699.30 = 68,809.23 : x
  2. Step 2: Convert to fraction form
    168,565.23/252,699.30 = 68,809.23/x
  3. Step 3: Cross multiply
    168,565.23x = 252,699.30 × 68,809.23
  4. Step 4: Simplify right side
    168,565.23x = 17,388,044,254.54
  5. Step 5: Solve for x
    x = 17,388,044,254.54/168,565.23
  6. Step 6: Final answer
    x = 103,153.21

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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.