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Finding the Fourth Proportional to 180,676.53, 249,335.60 and 100,105.34

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Solution

The fourth proportional to 180,676.53, 249,335.60 and 100,105.34 is: 138,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,676.53 : 249,335.60 = 100,105.34 : x
  2. Step 2: Convert to fraction form
    180,676.53/249,335.60 = 100,105.34/x
  3. Step 3: Cross multiply
    180,676.53x = 249,335.60 × 100,105.34
  4. Step 4: Simplify right side
    180,676.53x = 24,959,823,264.90
  5. Step 5: Solve for x
    x = 24,959,823,264.90/180,676.53
  6. Step 6: Final answer
    x = 138,146.46

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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.