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Finding the Fourth Proportional to 173,431.60, 260,147.40 and 89,450.80

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Solution

The fourth proportional to 173,431.60, 260,147.40 and 89,450.80 is: 134,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,431.60 : 260,147.40 = 89,450.80 : x
  2. Step 2: Convert to fraction form
    173,431.60/260,147.40 = 89,450.80/x
  3. Step 3: Cross multiply
    173,431.60x = 260,147.40 × 89,450.80
  4. Step 4: Simplify right side
    173,431.60x = 23,270,393,047.92
  5. Step 5: Solve for x
    x = 23,270,393,047.92/173,431.60
  6. Step 6: Final answer
    x = 134,176.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.