Home / 178,728.89-268,093.16-45,609.14

Finding the Fourth Proportional to 178,728.89, 268,093.16 and 45,609.14

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Solution

The fourth proportional to 178,728.89, 268,093.16 and 45,609.14 is: 68,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,728.89 : 268,093.16 = 45,609.14 : x
  2. Step 2: Convert to fraction form
    178,728.89/268,093.16 = 45,609.14/x
  3. Step 3: Cross multiply
    178,728.89x = 268,093.16 × 45,609.14
  4. Step 4: Simplify right side
    178,728.89x = 12,227,498,239.44
  5. Step 5: Solve for x
    x = 12,227,498,239.44/178,728.89
  6. Step 6: Final answer
    x = 68,413.67

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1.5x scale

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.