Home / 187,934-259,485.04-120,982.64

Finding the Fourth Proportional to 187,934, 259,485.04 and 120,982.64

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Solution

The fourth proportional to 187,934, 259,485.04 and 120,982.64 is: 167,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,934 : 259,485.04 = 120,982.64 : x
  2. Step 2: Convert to fraction form
    187,934/259,485.04 = 120,982.64/x
  3. Step 3: Cross multiply
    187,934x = 259,485.04 × 120,982.64
  4. Step 4: Simplify right side
    187,934x = 31,393,185,179.71
  5. Step 5: Solve for x
    x = 31,393,185,179.71/187,934
  6. Step 6: Final answer
    x = 167,043.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.