Home / 199,786.05-275,700.24-109,142.46

Finding the Fourth Proportional to 199,786.05, 275,700.24 and 109,142.46

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Solution

The fourth proportional to 199,786.05, 275,700.24 and 109,142.46 is: 150,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,786.05 : 275,700.24 = 109,142.46 : x
  2. Step 2: Convert to fraction form
    199,786.05/275,700.24 = 109,142.46/x
  3. Step 3: Cross multiply
    199,786.05x = 275,700.24 × 109,142.46
  4. Step 4: Simplify right side
    199,786.05x = 30,090,602,416.19
  5. Step 5: Solve for x
    x = 30,090,602,416.19/199,786.05
  6. Step 6: Final answer
    x = 150,614.13

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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.