Home / 178,986.12-268,601.76-73,804.20

Finding the Fourth Proportional to 178,986.12, 268,601.76 and 73,804.20

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Solution

The fourth proportional to 178,986.12, 268,601.76 and 73,804.20 is: 110,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,986.12 : 268,601.76 = 73,804.20 : x
  2. Step 2: Convert to fraction form
    178,986.12/268,601.76 = 73,804.20/x
  3. Step 3: Cross multiply
    178,986.12x = 268,601.76 × 73,804.20
  4. Step 4: Simplify right side
    178,986.12x = 19,823,938,015.39
  5. Step 5: Solve for x
    x = 19,823,938,015.39/178,986.12
  6. Step 6: Final answer
    x = 110,756.85

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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.