Home / 168,104.82-252,196.65-66,909.00

Finding the Fourth Proportional to 168,104.82, 252,196.65 and 66,909.00

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Solution

The fourth proportional to 168,104.82, 252,196.65 and 66,909.00 is: 100,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,104.82 : 252,196.65 = 66,909.00 : x
  2. Step 2: Convert to fraction form
    168,104.82/252,196.65 = 66,909.00/x
  3. Step 3: Cross multiply
    168,104.82x = 252,196.65 × 66,909.00
  4. Step 4: Simplify right side
    168,104.82x = 16,874,224,284.50
  5. Step 5: Solve for x
    x = 16,874,224,284.50/168,104.82
  6. Step 6: Final answer
    x = 100,379.18

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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.