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Finding the Fourth Proportional to 130,924.67, 180,676.17 and 74,336.05

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Solution

The fourth proportional to 130,924.67, 180,676.17 and 74,336.05 is: 102,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,924.67 : 180,676.17 = 74,336.05 : x
  2. Step 2: Convert to fraction form
    130,924.67/180,676.17 = 74,336.05/x
  3. Step 3: Cross multiply
    130,924.67x = 180,676.17 × 74,336.05
  4. Step 4: Simplify right side
    130,924.67x = 13,430,751,903.55
  5. Step 5: Solve for x
    x = 13,430,751,903.55/130,924.67
  6. Step 6: Final answer
    x = 102,583.81

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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.