Home / 133,709.28-184,523.92-76,357.96

Finding the Fourth Proportional to 133,709.28, 184,523.92 and 76,357.96

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Solution

The fourth proportional to 133,709.28, 184,523.92 and 76,357.96 is: 105,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,709.28 : 184,523.92 = 76,357.96 : x
  2. Step 2: Convert to fraction form
    133,709.28/184,523.92 = 76,357.96/x
  3. Step 3: Cross multiply
    133,709.28x = 184,523.92 × 76,357.96
  4. Step 4: Simplify right side
    133,709.28x = 14,089,870,102.40
  5. Step 5: Solve for x
    x = 14,089,870,102.40/133,709.28
  6. Step 6: Final answer
    x = 105,376.91

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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.