Home / 187,622.94-281,538.27-69,371.85

Finding the Fourth Proportional to 187,622.94, 281,538.27 and 69,371.85

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Solution

The fourth proportional to 187,622.94, 281,538.27 and 69,371.85 is: 104,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,622.94 : 281,538.27 = 69,371.85 : x
  2. Step 2: Convert to fraction form
    187,622.94/281,538.27 = 69,371.85/x
  3. Step 3: Cross multiply
    187,622.94x = 281,538.27 × 69,371.85
  4. Step 4: Simplify right side
    187,622.94x = 19,530,830,635.70
  5. Step 5: Solve for x
    x = 19,530,830,635.70/187,622.94
  6. Step 6: Final answer
    x = 104,096.18

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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.