Home / 133,665.09-184,440.30-79,930.50

Finding the Fourth Proportional to 133,665.09, 184,440.30 and 79,930.50

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Solution

The fourth proportional to 133,665.09, 184,440.30 and 79,930.50 is: 110,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,665.09 : 184,440.30 = 79,930.50 : x
  2. Step 2: Convert to fraction form
    133,665.09/184,440.30 = 79,930.50/x
  3. Step 3: Cross multiply
    133,665.09x = 184,440.30 × 79,930.50
  4. Step 4: Simplify right side
    133,665.09x = 14,742,405,399.15
  5. Step 5: Solve for x
    x = 14,742,405,399.15/133,665.09
  6. Step 6: Final answer
    x = 110,293.61

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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.