Home / 199,322.12-275,059.44-108,678.26

Finding the Fourth Proportional to 199,322.12, 275,059.44 and 108,678.26

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Solution

The fourth proportional to 199,322.12, 275,059.44 and 108,678.26 is: 149,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,322.12 : 275,059.44 = 108,678.26 : x
  2. Step 2: Convert to fraction form
    199,322.12/275,059.44 = 108,678.26/x
  3. Step 3: Cross multiply
    199,322.12x = 275,059.44 × 108,678.26
  4. Step 4: Simplify right side
    199,322.12x = 29,892,979,960.48
  5. Step 5: Solve for x
    x = 29,892,979,960.48/199,322.12
  6. Step 6: Final answer
    x = 149,973.22

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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.