Home / 148,112.37-204,394.23-80,129.16

Finding the Fourth Proportional to 148,112.37, 204,394.23 and 80,129.16

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Solution

The fourth proportional to 148,112.37, 204,394.23 and 80,129.16 is: 110,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112.37 : 204,394.23 = 80,129.16 : x
  2. Step 2: Convert to fraction form
    148,112.37/204,394.23 = 80,129.16/x
  3. Step 3: Cross multiply
    148,112.37x = 204,394.23 × 80,129.16
  4. Step 4: Simplify right side
    148,112.37x = 16,377,937,958.75
  5. Step 5: Solve for x
    x = 16,377,937,958.75/148,112.37
  6. Step 6: Final answer
    x = 110,577.79

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1.5x scale

Why These Related Problems?

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