Home / 218,968.44-302,183.91-127,080.66

Finding the Fourth Proportional to 218,968.44, 302,183.91 and 127,080.66

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Solution

The fourth proportional to 218,968.44, 302,183.91 and 127,080.66 is: 175,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,968.44 : 302,183.91 = 127,080.66 : x
  2. Step 2: Convert to fraction form
    218,968.44/302,183.91 = 127,080.66/x
  3. Step 3: Cross multiply
    218,968.44x = 302,183.91 × 127,080.66
  4. Step 4: Simplify right side
    218,968.44x = 38,401,730,724.18
  5. Step 5: Solve for x
    x = 38,401,730,724.18/218,968.44
  6. Step 6: Final answer
    x = 175,375.64

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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.