Home / 199,317.64-275,060.49-108,672.87

Finding the Fourth Proportional to 199,317.64, 275,060.49 and 108,672.87

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Solution

The fourth proportional to 199,317.64, 275,060.49 and 108,672.87 is: 149,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,317.64 : 275,060.49 = 108,672.87 : x
  2. Step 2: Convert to fraction form
    199,317.64/275,060.49 = 108,672.87/x
  3. Step 3: Cross multiply
    199,317.64x = 275,060.49 × 108,672.87
  4. Step 4: Simplify right side
    199,317.64x = 29,891,611,496.60
  5. Step 5: Solve for x
    x = 29,891,611,496.60/199,317.64
  6. Step 6: Final answer
    x = 149,969.72

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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.