Home / 148,004.80-222,007.20-88,129.60

Finding the Fourth Proportional to 148,004.80, 222,007.20 and 88,129.60

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Solution

The fourth proportional to 148,004.80, 222,007.20 and 88,129.60 is: 132,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,004.80 : 222,007.20 = 88,129.60 : x
  2. Step 2: Convert to fraction form
    148,004.80/222,007.20 = 88,129.60/x
  3. Step 3: Cross multiply
    148,004.80x = 222,007.20 × 88,129.60
  4. Step 4: Simplify right side
    148,004.80x = 19,565,405,733.12
  5. Step 5: Solve for x
    x = 19,565,405,733.12/148,004.80
  6. Step 6: Final answer
    x = 132,194.40

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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.