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Finding the Fourth Proportional to 123,254.60, 184,881.90 and 118,416.20

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Solution

The fourth proportional to 123,254.60, 184,881.90 and 118,416.20 is: 177,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,254.60 : 184,881.90 = 118,416.20 : x
  2. Step 2: Convert to fraction form
    123,254.60/184,881.90 = 118,416.20/x
  3. Step 3: Cross multiply
    123,254.60x = 184,881.90 × 118,416.20
  4. Step 4: Simplify right side
    123,254.60x = 21,893,012,046.78
  5. Step 5: Solve for x
    x = 21,893,012,046.78/123,254.60
  6. Step 6: Final answer
    x = 177,624.30

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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.