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Finding the Fourth Proportional to 144,172.89, 198,975.38 and 119,930.98

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Solution

The fourth proportional to 144,172.89, 198,975.38 and 119,930.98 is: 165,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,172.89 : 198,975.38 = 119,930.98 : x
  2. Step 2: Convert to fraction form
    144,172.89/198,975.38 = 119,930.98/x
  3. Step 3: Cross multiply
    144,172.89x = 198,975.38 × 119,930.98
  4. Step 4: Simplify right side
    144,172.89x = 23,863,312,319.27
  5. Step 5: Solve for x
    x = 23,863,312,319.27/144,172.89
  6. Step 6: Final answer
    x = 165,518.72

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