Home / 199,837.18-275,771.97-109,191.16

Finding the Fourth Proportional to 199,837.18, 275,771.97 and 109,191.16

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Solution

The fourth proportional to 199,837.18, 275,771.97 and 109,191.16 is: 150,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,837.18 : 275,771.97 = 109,191.16 : x
  2. Step 2: Convert to fraction form
    199,837.18/275,771.97 = 109,191.16/x
  3. Step 3: Cross multiply
    199,837.18x = 275,771.97 × 109,191.16
  4. Step 4: Simplify right side
    199,837.18x = 30,111,861,299.79
  5. Step 5: Solve for x
    x = 30,111,861,299.79/199,837.18
  6. Step 6: Final answer
    x = 150,681.98

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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.