Home / 199,670.13-275,550.42-109,031.80

Finding the Fourth Proportional to 199,670.13, 275,550.42 and 109,031.80

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Solution

The fourth proportional to 199,670.13, 275,550.42 and 109,031.80 is: 150,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,670.13 : 275,550.42 = 109,031.80 : x
  2. Step 2: Convert to fraction form
    199,670.13/275,550.42 = 109,031.80/x
  3. Step 3: Cross multiply
    199,670.13x = 275,550.42 × 109,031.80
  4. Step 4: Simplify right side
    199,670.13x = 30,043,758,283.36
  5. Step 5: Solve for x
    x = 30,043,758,283.36/199,670.13
  6. Step 6: Final answer
    x = 150,466.96

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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.