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Finding the Fourth Proportional to 123,061.40, 184,592.10 and 67,074.20

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Solution

The fourth proportional to 123,061.40, 184,592.10 and 67,074.20 is: 100,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,061.40 : 184,592.10 = 67,074.20 : x
  2. Step 2: Convert to fraction form
    123,061.40/184,592.10 = 67,074.20/x
  3. Step 3: Cross multiply
    123,061.40x = 184,592.10 × 67,074.20
  4. Step 4: Simplify right side
    123,061.40x = 12,381,367,433.82
  5. Step 5: Solve for x
    x = 12,381,367,433.82/123,061.40
  6. Step 6: Final answer
    x = 100,611.30

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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.