Home / 190,076.75-262,277.69-115,446.38

Finding the Fourth Proportional to 190,076.75, 262,277.69 and 115,446.38

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Solution

The fourth proportional to 190,076.75, 262,277.69 and 115,446.38 is: 159,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,076.75 : 262,277.69 = 115,446.38 : x
  2. Step 2: Convert to fraction form
    190,076.75/262,277.69 = 115,446.38/x
  3. Step 3: Cross multiply
    190,076.75x = 262,277.69 × 115,446.38
  4. Step 4: Simplify right side
    190,076.75x = 30,279,007,976.64
  5. Step 5: Solve for x
    x = 30,279,007,976.64/190,076.75
  6. Step 6: Final answer
    x = 159,298.85

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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.