Home / 178,730.80-268,096.08-45,611.10

Finding the Fourth Proportional to 178,730.80, 268,096.08 and 45,611.10

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Solution

The fourth proportional to 178,730.80, 268,096.08 and 45,611.10 is: 68,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,730.80 : 268,096.08 = 45,611.10 : x
  2. Step 2: Convert to fraction form
    178,730.80/268,096.08 = 45,611.10/x
  3. Step 3: Cross multiply
    178,730.80x = 268,096.08 × 45,611.10
  4. Step 4: Simplify right side
    178,730.80x = 12,228,157,028.97
  5. Step 5: Solve for x
    x = 12,228,157,028.97/178,730.80
  6. Step 6: Final answer
    x = 68,416.62

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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.