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Finding the Fourth Proportional to 173,123.10, 259,721.10 and 54,806.40

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Solution

The fourth proportional to 173,123.10, 259,721.10 and 54,806.40 is: 82,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,123.10 : 259,721.10 = 54,806.40 : x
  2. Step 2: Convert to fraction form
    173,123.10/259,721.10 = 54,806.40/x
  3. Step 3: Cross multiply
    173,123.10x = 259,721.10 × 54,806.40
  4. Step 4: Simplify right side
    173,123.10x = 14,234,378,495.04
  5. Step 5: Solve for x
    x = 14,234,378,495.04/173,123.10
  6. Step 6: Final answer
    x = 82,221.14

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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.