Home / 178,689.40-268,099.62-73,516.60

Finding the Fourth Proportional to 178,689.40, 268,099.62 and 73,516.60

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Solution

The fourth proportional to 178,689.40, 268,099.62 and 73,516.60 is: 110,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,689.40 : 268,099.62 = 73,516.60 : x
  2. Step 2: Convert to fraction form
    178,689.40/268,099.62 = 73,516.60/x
  3. Step 3: Cross multiply
    178,689.40x = 268,099.62 × 73,516.60
  4. Step 4: Simplify right side
    178,689.40x = 19,709,772,523.69
  5. Step 5: Solve for x
    x = 19,709,772,523.69/178,689.40
  6. Step 6: Final answer
    x = 110,301.86

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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.