Home / 199,280.09-275,004.25-108,634.06

Finding the Fourth Proportional to 199,280.09, 275,004.25 and 108,634.06

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Solution

The fourth proportional to 199,280.09, 275,004.25 and 108,634.06 is: 149,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280.09 : 275,004.25 = 108,634.06 : x
  2. Step 2: Convert to fraction form
    199,280.09/275,004.25 = 108,634.06/x
  3. Step 3: Cross multiply
    199,280.09x = 275,004.25 × 108,634.06
  4. Step 4: Simplify right side
    199,280.09x = 29,874,828,194.76
  5. Step 5: Solve for x
    x = 29,874,828,194.76/199,280.09
  6. Step 6: Final answer
    x = 149,913.76

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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.