Home / 133,558.87-184,311.21-73,129.50

Finding the Fourth Proportional to 133,558.87, 184,311.21 and 73,129.50

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Solution

The fourth proportional to 133,558.87, 184,311.21 and 73,129.50 is: 100,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,558.87 : 184,311.21 = 73,129.50 : x
  2. Step 2: Convert to fraction form
    133,558.87/184,311.21 = 73,129.50/x
  3. Step 3: Cross multiply
    133,558.87x = 184,311.21 × 73,129.50
  4. Step 4: Simplify right side
    133,558.87x = 13,478,585,344.49
  5. Step 5: Solve for x
    x = 13,478,585,344.49/133,558.87
  6. Step 6: Final answer
    x = 100,918.69

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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.