Home / 135,998.10-203,608.35-122,001.30

Finding the Fourth Proportional to 135,998.10, 203,608.35 and 122,001.30

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Solution

The fourth proportional to 135,998.10, 203,608.35 and 122,001.30 is: 182,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,998.10 : 203,608.35 = 122,001.30 : x
  2. Step 2: Convert to fraction form
    135,998.10/203,608.35 = 122,001.30/x
  3. Step 3: Cross multiply
    135,998.10x = 203,608.35 × 122,001.30
  4. Step 4: Simplify right side
    135,998.10x = 24,840,483,390.86
  5. Step 5: Solve for x
    x = 24,840,483,390.86/135,998.10
  6. Step 6: Final answer
    x = 182,653.16

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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.