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Finding the Fourth Proportional to 133,639.60, 184,422.84 and 74,023.60

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Solution

The fourth proportional to 133,639.60, 184,422.84 and 74,023.60 is: 102,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639.60 : 184,422.84 = 74,023.60 : x
  2. Step 2: Convert to fraction form
    133,639.60/184,422.84 = 74,023.60/x
  3. Step 3: Cross multiply
    133,639.60x = 184,422.84 × 74,023.60
  4. Step 4: Simplify right side
    133,639.60x = 13,651,642,539.02
  5. Step 5: Solve for x
    x = 13,651,642,539.02/133,639.60
  6. Step 6: Final answer
    x = 102,152.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.