Home / 199,211.28-274,903.53-108,565.32

Finding the Fourth Proportional to 199,211.28, 274,903.53 and 108,565.32

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Solution

The fourth proportional to 199,211.28, 274,903.53 and 108,565.32 is: 149,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,211.28 : 274,903.53 = 108,565.32 : x
  2. Step 2: Convert to fraction form
    199,211.28/274,903.53 = 108,565.32/x
  3. Step 3: Cross multiply
    199,211.28x = 274,903.53 × 108,565.32
  4. Step 4: Simplify right side
    199,211.28x = 29,844,989,703.58
  5. Step 5: Solve for x
    x = 29,844,989,703.58/199,211.28
  6. Step 6: Final answer
    x = 149,815.76

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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.