Home / 133,454.28-184,161.42-79,768.90

Finding the Fourth Proportional to 133,454.28, 184,161.42 and 79,768.90

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Solution

The fourth proportional to 133,454.28, 184,161.42 and 79,768.90 is: 110,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,454.28 : 184,161.42 = 79,768.90 : x
  2. Step 2: Convert to fraction form
    133,454.28/184,161.42 = 79,768.90/x
  3. Step 3: Cross multiply
    133,454.28x = 184,161.42 × 79,768.90
  4. Step 4: Simplify right side
    133,454.28x = 14,690,354,350.39
  5. Step 5: Solve for x
    x = 14,690,354,350.39/133,454.28
  6. Step 6: Final answer
    x = 110,077.80

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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.