Home / 199,208.40-274,907.60-109,784.40

Finding the Fourth Proportional to 199,208.40, 274,907.60 and 109,784.40

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Solution

The fourth proportional to 199,208.40, 274,907.60 and 109,784.40 is: 151,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208.40 : 274,907.60 = 109,784.40 : x
  2. Step 2: Convert to fraction form
    199,208.40/274,907.60 = 109,784.40/x
  3. Step 3: Cross multiply
    199,208.40x = 274,907.60 × 109,784.40
  4. Step 4: Simplify right side
    199,208.40x = 30,180,565,921.44
  5. Step 5: Solve for x
    x = 30,180,565,921.44/199,208.40
  6. Step 6: Final answer
    x = 151,502.48

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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.