Home / 148,416.08-222,650.04-81,827.60

Finding the Fourth Proportional to 148,416.08, 222,650.04 and 81,827.60

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Solution

The fourth proportional to 148,416.08, 222,650.04 and 81,827.60 is: 122,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,416.08 : 222,650.04 = 81,827.60 : x
  2. Step 2: Convert to fraction form
    148,416.08/222,650.04 = 81,827.60/x
  3. Step 3: Cross multiply
    148,416.08x = 222,650.04 × 81,827.60
  4. Step 4: Simplify right side
    148,416.08x = 18,218,918,413.10
  5. Step 5: Solve for x
    x = 18,218,918,413.10/148,416.08
  6. Step 6: Final answer
    x = 122,755.69

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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.