Home / 113,999.36-170,906.79-47,489.45

Finding the Fourth Proportional to 113,999.36, 170,906.79 and 47,489.45

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Solution

The fourth proportional to 113,999.36, 170,906.79 and 47,489.45 is: 71,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,999.36 : 170,906.79 = 47,489.45 : x
  2. Step 2: Convert to fraction form
    113,999.36/170,906.79 = 47,489.45/x
  3. Step 3: Cross multiply
    113,999.36x = 170,906.79 × 47,489.45
  4. Step 4: Simplify right side
    113,999.36x = 8,116,268,781.92
  5. Step 5: Solve for x
    x = 8,116,268,781.92/113,999.36
  6. Step 6: Final answer
    x = 71,195.74

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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.