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Finding the Fourth Proportional to 96,450.68, 144,628.68 and 40,273.94

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Solution

The fourth proportional to 96,450.68, 144,628.68 and 40,273.94 is: 60,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,450.68 : 144,628.68 = 40,273.94 : x
  2. Step 2: Convert to fraction form
    96,450.68/144,628.68 = 40,273.94/x
  3. Step 3: Cross multiply
    96,450.68x = 144,628.68 × 40,273.94
  4. Step 4: Simplify right side
    96,450.68x = 5,824,766,780.60
  5. Step 5: Solve for x
    x = 5,824,766,780.60/96,450.68
  6. Step 6: Final answer
    x = 60,391.14

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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.