Home / 133,958.22-184,914.27-100,521.42

Finding the Fourth Proportional to 133,958.22, 184,914.27 and 100,521.42

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Solution

The fourth proportional to 133,958.22, 184,914.27 and 100,521.42 is: 138,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,958.22 : 184,914.27 = 100,521.42 : x
  2. Step 2: Convert to fraction form
    133,958.22/184,914.27 = 100,521.42/x
  3. Step 3: Cross multiply
    133,958.22x = 184,914.27 × 100,521.42
  4. Step 4: Simplify right side
    133,958.22x = 18,587,844,998.66
  5. Step 5: Solve for x
    x = 18,587,844,998.66/133,958.22
  6. Step 6: Final answer
    x = 138,758.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.