Home / 198,574.25-274,032.47-109,150.25

Finding the Fourth Proportional to 198,574.25, 274,032.47 and 109,150.25

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Solution

The fourth proportional to 198,574.25, 274,032.47 and 109,150.25 is: 150,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,574.25 : 274,032.47 = 109,150.25 : x
  2. Step 2: Convert to fraction form
    198,574.25/274,032.47 = 109,150.25/x
  3. Step 3: Cross multiply
    198,574.25x = 274,032.47 × 109,150.25
  4. Step 4: Simplify right side
    198,574.25x = 29,910,712,608.62
  5. Step 5: Solve for x
    x = 29,910,712,608.62/198,574.25
  6. Step 6: Final answer
    x = 150,627.35

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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.