Home / 232,712.15-321,175.14-130,745.50

Finding the Fourth Proportional to 232,712.15, 321,175.14 and 130,745.50

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Solution

The fourth proportional to 232,712.15, 321,175.14 and 130,745.50 is: 180,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,712.15 : 321,175.14 = 130,745.50 : x
  2. Step 2: Convert to fraction form
    232,712.15/321,175.14 = 130,745.50/x
  3. Step 3: Cross multiply
    232,712.15x = 321,175.14 × 130,745.50
  4. Step 4: Simplify right side
    232,712.15x = 41,992,204,266.87
  5. Step 5: Solve for x
    x = 41,992,204,266.87/232,712.15
  6. Step 6: Final answer
    x = 180,446.98

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Why These Related Problems?

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