Home / 133,039.10-199,558.65-61,961.60

Finding the Fourth Proportional to 133,039.10, 199,558.65 and 61,961.60

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Solution

The fourth proportional to 133,039.10, 199,558.65 and 61,961.60 is: 92,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.10 : 199,558.65 = 61,961.60 : x
  2. Step 2: Convert to fraction form
    133,039.10/199,558.65 = 61,961.60/x
  3. Step 3: Cross multiply
    133,039.10x = 199,558.65 × 61,961.60
  4. Step 4: Simplify right side
    133,039.10x = 12,364,973,247.84
  5. Step 5: Solve for x
    x = 12,364,973,247.84/133,039.10
  6. Step 6: Final answer
    x = 92,942.40

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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.