Home / 242,608.49-334,795.25-135,176.21

Finding the Fourth Proportional to 242,608.49, 334,795.25 and 135,176.21

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Solution

The fourth proportional to 242,608.49, 334,795.25 and 135,176.21 is: 186,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,608.49 : 334,795.25 = 135,176.21 : x
  2. Step 2: Convert to fraction form
    242,608.49/334,795.25 = 135,176.21/x
  3. Step 3: Cross multiply
    242,608.49x = 334,795.25 × 135,176.21
  4. Step 4: Simplify right side
    242,608.49x = 45,256,351,684.97
  5. Step 5: Solve for x
    x = 45,256,351,684.97/242,608.49
  6. Step 6: Final answer
    x = 186,540.68

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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.