Home / 199,280.66-274,998.24-108,636.80

Finding the Fourth Proportional to 199,280.66, 274,998.24 and 108,636.80

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Solution

The fourth proportional to 199,280.66, 274,998.24 and 108,636.80 is: 149,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280.66 : 274,998.24 = 108,636.80 : x
  2. Step 2: Convert to fraction form
    199,280.66/274,998.24 = 108,636.80/x
  3. Step 3: Cross multiply
    199,280.66x = 274,998.24 × 108,636.80
  4. Step 4: Simplify right side
    199,280.66x = 29,874,927,424.24
  5. Step 5: Solve for x
    x = 29,874,927,424.24/199,280.66
  6. Step 6: Final answer
    x = 149,913.84

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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.