Home / 198,885.36-274,457.52-108,239.04

Finding the Fourth Proportional to 198,885.36, 274,457.52 and 108,239.04

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Solution

The fourth proportional to 198,885.36, 274,457.52 and 108,239.04 is: 149,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,885.36 : 274,457.52 = 108,239.04 : x
  2. Step 2: Convert to fraction form
    198,885.36/274,457.52 = 108,239.04/x
  3. Step 3: Cross multiply
    198,885.36x = 274,457.52 × 108,239.04
  4. Step 4: Simplify right side
    198,885.36x = 29,707,018,485.58
  5. Step 5: Solve for x
    x = 29,707,018,485.58/198,885.36
  6. Step 6: Final answer
    x = 149,367.55

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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.