Home / 198,929.07-274,525.62-108,287.64

Finding the Fourth Proportional to 198,929.07, 274,525.62 and 108,287.64

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Solution

The fourth proportional to 198,929.07, 274,525.62 and 108,287.64 is: 149,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,929.07 : 274,525.62 = 108,287.64 : x
  2. Step 2: Convert to fraction form
    198,929.07/274,525.62 = 108,287.64/x
  3. Step 3: Cross multiply
    198,929.07x = 274,525.62 × 108,287.64
  4. Step 4: Simplify right side
    198,929.07x = 29,727,731,509.34
  5. Step 5: Solve for x
    x = 29,727,731,509.34/198,929.07
  6. Step 6: Final answer
    x = 149,438.85

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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.