Home / 243,147.62-335,549-134,251.60

Finding the Fourth Proportional to 243,147.62, 335,549 and 134,251.60

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Solution

The fourth proportional to 243,147.62, 335,549 and 134,251.60 is: 185,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,147.62 : 335,549 = 134,251.60 : x
  2. Step 2: Convert to fraction form
    243,147.62/335,549 = 134,251.60/x
  3. Step 3: Cross multiply
    243,147.62x = 335,549 × 134,251.60
  4. Step 4: Simplify right side
    243,147.62x = 45,047,990,128.40
  5. Step 5: Solve for x
    x = 45,047,990,128.40/243,147.62
  6. Step 6: Final answer
    x = 185,270.13

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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.