Home / 149,847.48-206,793.54-81,867.33

Finding the Fourth Proportional to 149,847.48, 206,793.54 and 81,867.33

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Solution

The fourth proportional to 149,847.48, 206,793.54 and 81,867.33 is: 112,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,847.48 : 206,793.54 = 81,867.33 : x
  2. Step 2: Convert to fraction form
    149,847.48/206,793.54 = 81,867.33/x
  3. Step 3: Cross multiply
    149,847.48x = 206,793.54 × 81,867.33
  4. Step 4: Simplify right side
    149,847.48x = 16,929,634,981.05
  5. Step 5: Solve for x
    x = 16,929,634,981.05/149,847.48
  6. Step 6: Final answer
    x = 112,979.11

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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.