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Finding the Fourth Proportional to 154,806.53, 232,019.21 and 73,796.18

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Solution

The fourth proportional to 154,806.53, 232,019.21 and 73,796.18 is: 110,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,806.53 : 232,019.21 = 73,796.18 : x
  2. Step 2: Convert to fraction form
    154,806.53/232,019.21 = 73,796.18/x
  3. Step 3: Cross multiply
    154,806.53x = 232,019.21 × 73,796.18
  4. Step 4: Simplify right side
    154,806.53x = 17,122,129,855.54
  5. Step 5: Solve for x
    x = 17,122,129,855.54/154,806.53
  6. Step 6: Final answer
    x = 110,603.41

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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.