Home / 242,537.82-334,680.48-135,105.55

Finding the Fourth Proportional to 242,537.82, 334,680.48 and 135,105.55

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Solution

The fourth proportional to 242,537.82, 334,680.48 and 135,105.55 is: 186,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,537.82 : 334,680.48 = 135,105.55 : x
  2. Step 2: Convert to fraction form
    242,537.82/334,680.48 = 135,105.55/x
  3. Step 3: Cross multiply
    242,537.82x = 334,680.48 × 135,105.55
  4. Step 4: Simplify right side
    242,537.82x = 45,217,189,487.96
  5. Step 5: Solve for x
    x = 45,217,189,487.96/242,537.82
  6. Step 6: Final answer
    x = 186,433.56

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1.5x scale

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.