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Finding the Fourth Proportional to 178,360.65, 246,136.72 and 97,791.57

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Solution

The fourth proportional to 178,360.65, 246,136.72 and 97,791.57 is: 134,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,360.65 : 246,136.72 = 97,791.57 : x
  2. Step 2: Convert to fraction form
    178,360.65/246,136.72 = 97,791.57/x
  3. Step 3: Cross multiply
    178,360.65x = 246,136.72 × 97,791.57
  4. Step 4: Simplify right side
    178,360.65x = 24,070,096,283.45
  5. Step 5: Solve for x
    x = 24,070,096,283.45/178,360.65
  6. Step 6: Final answer
    x = 134,951.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.