Home / 133,364.09-184,249.66-111,820.43

Finding the Fourth Proportional to 133,364.09, 184,249.66 and 111,820.43

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Solution

The fourth proportional to 133,364.09, 184,249.66 and 111,820.43 is: 154,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,364.09 : 184,249.66 = 111,820.43 : x
  2. Step 2: Convert to fraction form
    133,364.09/184,249.66 = 111,820.43/x
  3. Step 3: Cross multiply
    133,364.09x = 184,249.66 × 111,820.43
  4. Step 4: Simplify right side
    133,364.09x = 20,602,876,027.48
  5. Step 5: Solve for x
    x = 20,602,876,027.48/133,364.09
  6. Step 6: Final answer
    x = 154,485.94

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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.