Home / 133,604.56-200,435.96-40,117.60

Finding the Fourth Proportional to 133,604.56, 200,435.96 and 40,117.60

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Solution

The fourth proportional to 133,604.56, 200,435.96 and 40,117.60 is: 60,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,604.56 : 200,435.96 = 40,117.60 : x
  2. Step 2: Convert to fraction form
    133,604.56/200,435.96 = 40,117.60/x
  3. Step 3: Cross multiply
    133,604.56x = 200,435.96 × 40,117.60
  4. Step 4: Simplify right side
    133,604.56x = 8,041,009,668.90
  5. Step 5: Solve for x
    x = 8,041,009,668.90/133,604.56
  6. Step 6: Final answer
    x = 60,185.14

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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.