Home / 103,845.51-155,799.05-43,879.79

Finding the Fourth Proportional to 103,845.51, 155,799.05 and 43,879.79

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Solution

The fourth proportional to 103,845.51, 155,799.05 and 43,879.79 is: 65,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.51 : 155,799.05 = 43,879.79 : x
  2. Step 2: Convert to fraction form
    103,845.51/155,799.05 = 43,879.79/x
  3. Step 3: Cross multiply
    103,845.51x = 155,799.05 × 43,879.79
  4. Step 4: Simplify right side
    103,845.51x = 6,836,429,766.30
  5. Step 5: Solve for x
    x = 6,836,429,766.30/103,845.51
  6. Step 6: Final answer
    x = 65,832.69

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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.