Home / 187,895.50-259,431.87-120,944.14

Finding the Fourth Proportional to 187,895.50, 259,431.87 and 120,944.14

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Solution

The fourth proportional to 187,895.50, 259,431.87 and 120,944.14 is: 166,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,895.50 : 259,431.87 = 120,944.14 : x
  2. Step 2: Convert to fraction form
    187,895.50/259,431.87 = 120,944.14/x
  3. Step 3: Cross multiply
    187,895.50x = 259,431.87 × 120,944.14
  4. Step 4: Simplify right side
    187,895.50x = 31,376,764,405.74
  5. Step 5: Solve for x
    x = 31,376,764,405.74/187,895.50
  6. Step 6: Final answer
    x = 166,990.50

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Why These Related Problems?

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