Home / 187,811.73-281,727.86-47,571.57

Finding the Fourth Proportional to 187,811.73, 281,727.86 and 47,571.57

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Solution

The fourth proportional to 187,811.73, 281,727.86 and 47,571.57 is: 71,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,811.73 : 281,727.86 = 47,571.57 : x
  2. Step 2: Convert to fraction form
    187,811.73/281,727.86 = 47,571.57/x
  3. Step 3: Cross multiply
    187,811.73x = 281,727.86 × 47,571.57
  4. Step 4: Simplify right side
    187,811.73x = 13,402,236,375.08
  5. Step 5: Solve for x
    x = 13,402,236,375.08/187,811.73
  6. Step 6: Final answer
    x = 71,359.95

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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.