Home / 212,072.60-318,092.34-93,747.80

Finding the Fourth Proportional to 212,072.60, 318,092.34 and 93,747.80

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Solution

The fourth proportional to 212,072.60, 318,092.34 and 93,747.80 is: 140,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,072.60 : 318,092.34 = 93,747.80 : x
  2. Step 2: Convert to fraction form
    212,072.60/318,092.34 = 93,747.80/x
  3. Step 3: Cross multiply
    212,072.60x = 318,092.34 × 93,747.80
  4. Step 4: Simplify right side
    212,072.60x = 29,820,457,071.85
  5. Step 5: Solve for x
    x = 29,820,457,071.85/212,072.60
  6. Step 6: Final answer
    x = 140,614.38

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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.