Home / 199,976.64-275,967.91-109,331.16

Finding the Fourth Proportional to 199,976.64, 275,967.91 and 109,331.16

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Solution

The fourth proportional to 199,976.64, 275,967.91 and 109,331.16 is: 150,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,976.64 : 275,967.91 = 109,331.16 : x
  2. Step 2: Convert to fraction form
    199,976.64/275,967.91 = 109,331.16/x
  3. Step 3: Cross multiply
    199,976.64x = 275,967.91 × 109,331.16
  4. Step 4: Simplify right side
    199,976.64x = 30,171,891,723.08
  5. Step 5: Solve for x
    x = 30,171,891,723.08/199,976.64
  6. Step 6: Final answer
    x = 150,877.08

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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.