Home / 187,943.54-281,845.04-75,585.78

Finding the Fourth Proportional to 187,943.54, 281,845.04 and 75,585.78

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Solution

The fourth proportional to 187,943.54, 281,845.04 and 75,585.78 is: 113,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,943.54 : 281,845.04 = 75,585.78 : x
  2. Step 2: Convert to fraction form
    187,943.54/281,845.04 = 75,585.78/x
  3. Step 3: Cross multiply
    187,943.54x = 281,845.04 × 75,585.78
  4. Step 4: Simplify right side
    187,943.54x = 21,303,476,809.60
  5. Step 5: Solve for x
    x = 21,303,476,809.60/187,943.54
  6. Step 6: Final answer
    x = 113,350.41

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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.