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Finding the Fourth Proportional to 180,625.20, 270,937.80 and 117,639.60

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Solution

The fourth proportional to 180,625.20, 270,937.80 and 117,639.60 is: 176,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,625.20 : 270,937.80 = 117,639.60 : x
  2. Step 2: Convert to fraction form
    180,625.20/270,937.80 = 117,639.60/x
  3. Step 3: Cross multiply
    180,625.20x = 270,937.80 × 117,639.60
  4. Step 4: Simplify right side
    180,625.20x = 31,873,014,416.88
  5. Step 5: Solve for x
    x = 31,873,014,416.88/180,625.20
  6. Step 6: Final answer
    x = 176,459.40

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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.