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Finding the Fourth Proportional to 148,656.37, 205,146.32 and 80,673.33

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Solution

The fourth proportional to 148,656.37, 205,146.32 and 80,673.33 is: 111,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,656.37 : 205,146.32 = 80,673.33 : x
  2. Step 2: Convert to fraction form
    148,656.37/205,146.32 = 80,673.33/x
  3. Step 3: Cross multiply
    148,656.37x = 205,146.32 × 80,673.33
  4. Step 4: Simplify right side
    148,656.37x = 16,549,836,771.65
  5. Step 5: Solve for x
    x = 16,549,836,771.65/148,656.37
  6. Step 6: Final answer
    x = 111,329.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.