Home / 178,730.89-268,096.16-45,611.15

Finding the Fourth Proportional to 178,730.89, 268,096.16 and 45,611.15

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Solution

The fourth proportional to 178,730.89, 268,096.16 and 45,611.15 is: 68,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,730.89 : 268,096.16 = 45,611.15 : x
  2. Step 2: Convert to fraction form
    178,730.89/268,096.16 = 45,611.15/x
  3. Step 3: Cross multiply
    178,730.89x = 268,096.16 × 45,611.15
  4. Step 4: Simplify right side
    178,730.89x = 12,228,172,599.65
  5. Step 5: Solve for x
    x = 12,228,172,599.65/178,730.89
  6. Step 6: Final answer
    x = 68,416.67

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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.