Home / 133,447.50-184,190.36-76,891.68

Finding the Fourth Proportional to 133,447.50, 184,190.36 and 76,891.68

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Solution

The fourth proportional to 133,447.50, 184,190.36 and 76,891.68 is: 106,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,447.50 : 184,190.36 = 76,891.68 : x
  2. Step 2: Convert to fraction form
    133,447.50/184,190.36 = 76,891.68/x
  3. Step 3: Cross multiply
    133,447.50x = 184,190.36 × 76,891.68
  4. Step 4: Simplify right side
    133,447.50x = 14,162,705,835.75
  5. Step 5: Solve for x
    x = 14,162,705,835.75/133,447.50
  6. Step 6: Final answer
    x = 106,129.42

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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.