Home / 199,801.07-299,701.60-81,481.64

Finding the Fourth Proportional to 199,801.07, 299,701.60 and 81,481.64

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Solution

The fourth proportional to 199,801.07, 299,701.60 and 81,481.64 is: 122,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,801.07 : 299,701.60 = 81,481.64 : x
  2. Step 2: Convert to fraction form
    199,801.07/299,701.60 = 81,481.64/x
  3. Step 3: Cross multiply
    199,801.07x = 299,701.60 × 81,481.64
  4. Step 4: Simplify right side
    199,801.07x = 24,420,177,878.62
  5. Step 5: Solve for x
    x = 24,420,177,878.62/199,801.07
  6. Step 6: Final answer
    x = 122,222.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.