Home / 187,471.45-281,205.82-75,150.03

Finding the Fourth Proportional to 187,471.45, 281,205.82 and 75,150.03

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Solution

The fourth proportional to 187,471.45, 281,205.82 and 75,150.03 is: 112,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,471.45 : 281,205.82 = 75,150.03 : x
  2. Step 2: Convert to fraction form
    187,471.45/281,205.82 = 75,150.03/x
  3. Step 3: Cross multiply
    187,471.45x = 281,205.82 × 75,150.03
  4. Step 4: Simplify right side
    187,471.45x = 21,132,626,957.63
  5. Step 5: Solve for x
    x = 21,132,626,957.63/187,471.45
  6. Step 6: Final answer
    x = 112,724.51

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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.