Home / 235,137.78-324,487.26-133,160.40

Finding the Fourth Proportional to 235,137.78, 324,487.26 and 133,160.40

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Solution

The fourth proportional to 235,137.78, 324,487.26 and 133,160.40 is: 183,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,137.78 : 324,487.26 = 133,160.40 : x
  2. Step 2: Convert to fraction form
    235,137.78/324,487.26 = 133,160.40/x
  3. Step 3: Cross multiply
    235,137.78x = 324,487.26 × 133,160.40
  4. Step 4: Simplify right side
    235,137.78x = 43,208,853,336.50
  5. Step 5: Solve for x
    x = 43,208,853,336.50/235,137.78
  6. Step 6: Final answer
    x = 183,759.72

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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.