Home / 135,941.40-203,911.74-89,183.16

Finding the Fourth Proportional to 135,941.40, 203,911.74 and 89,183.16

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Solution

The fourth proportional to 135,941.40, 203,911.74 and 89,183.16 is: 133,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,941.40 : 203,911.74 = 89,183.16 : x
  2. Step 2: Convert to fraction form
    135,941.40/203,911.74 = 89,183.16/x
  3. Step 3: Cross multiply
    135,941.40x = 203,911.74 × 89,183.16
  4. Step 4: Simplify right side
    135,941.40x = 18,185,493,334.30
  5. Step 5: Solve for x
    x = 18,185,493,334.30/135,941.40
  6. Step 6: Final answer
    x = 133,774.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.