Home / 133,829.10-200,743.65-54,999.90

Finding the Fourth Proportional to 133,829.10, 200,743.65 and 54,999.90

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Solution

The fourth proportional to 133,829.10, 200,743.65 and 54,999.90 is: 82,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,829.10 : 200,743.65 = 54,999.90 : x
  2. Step 2: Convert to fraction form
    133,829.10/200,743.65 = 54,999.90/x
  3. Step 3: Cross multiply
    133,829.10x = 200,743.65 × 54,999.90
  4. Step 4: Simplify right side
    133,829.10x = 11,040,880,675.64
  5. Step 5: Solve for x
    x = 11,040,880,675.64/133,829.10
  6. Step 6: Final answer
    x = 82,499.85

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1.5x scale

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.