Home / 133,035.82-199,586.85-39,539.02

Finding the Fourth Proportional to 133,035.82, 199,586.85 and 39,539.02

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Solution

The fourth proportional to 133,035.82, 199,586.85 and 39,539.02 is: 59,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.82 : 199,586.85 = 39,539.02 : x
  2. Step 2: Convert to fraction form
    133,035.82/199,586.85 = 39,539.02/x
  3. Step 3: Cross multiply
    133,035.82x = 199,586.85 × 39,539.02
  4. Step 4: Simplify right side
    133,035.82x = 7,891,468,453.89
  5. Step 5: Solve for x
    x = 7,891,468,453.89/133,035.82
  6. Step 6: Final answer
    x = 59,318.37

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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.