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Finding the Fourth Proportional to 180,671.41, 249,306.39 and 100,078.96

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Solution

The fourth proportional to 180,671.41, 249,306.39 and 100,078.96 is: 138,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,671.41 : 249,306.39 = 100,078.96 : x
  2. Step 2: Convert to fraction form
    180,671.41/249,306.39 = 100,078.96/x
  3. Step 3: Cross multiply
    180,671.41x = 249,306.39 × 100,078.96
  4. Step 4: Simplify right side
    180,671.41x = 24,950,324,232.55
  5. Step 5: Solve for x
    x = 24,950,324,232.55/180,671.41
  6. Step 6: Final answer
    x = 138,097.80

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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.