Home / 235,145.40-324,520.68-133,189.02

Finding the Fourth Proportional to 235,145.40, 324,520.68 and 133,189.02

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Solution

The fourth proportional to 235,145.40, 324,520.68 and 133,189.02 is: 183,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,145.40 : 324,520.68 = 133,189.02 : x
  2. Step 2: Convert to fraction form
    235,145.40/324,520.68 = 133,189.02/x
  3. Step 3: Cross multiply
    235,145.40x = 324,520.68 × 133,189.02
  4. Step 4: Simplify right side
    235,145.40x = 43,222,591,338.93
  5. Step 5: Solve for x
    x = 43,222,591,338.93/235,145.40
  6. Step 6: Final answer
    x = 183,812.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.