Home / 178,880.90-268,318.60-45,760.03

Finding the Fourth Proportional to 178,880.90, 268,318.60 and 45,760.03

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Solution

The fourth proportional to 178,880.90, 268,318.60 and 45,760.03 is: 68,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,880.90 : 268,318.60 = 45,760.03 : x
  2. Step 2: Convert to fraction form
    178,880.90/268,318.60 = 45,760.03/x
  3. Step 3: Cross multiply
    178,880.90x = 268,318.60 × 45,760.03
  4. Step 4: Simplify right side
    178,880.90x = 12,278,266,400.36
  5. Step 5: Solve for x
    x = 12,278,266,400.36/178,880.90
  6. Step 6: Final answer
    x = 68,639.34

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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.