Home / 168,052.90-252,079.35-129,999.10

Finding the Fourth Proportional to 168,052.90, 252,079.35 and 129,999.10

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Solution

The fourth proportional to 168,052.90, 252,079.35 and 129,999.10 is: 194,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,052.90 : 252,079.35 = 129,999.10 : x
  2. Step 2: Convert to fraction form
    168,052.90/252,079.35 = 129,999.10/x
  3. Step 3: Cross multiply
    168,052.90x = 252,079.35 × 129,999.10
  4. Step 4: Simplify right side
    168,052.90x = 32,770,088,628.59
  5. Step 5: Solve for x
    x = 32,770,088,628.59/168,052.90
  6. Step 6: Final answer
    x = 194,998.65

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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.