Home / 161,961.52-242,942.22-83,025.40

Finding the Fourth Proportional to 161,961.52, 242,942.22 and 83,025.40

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Solution

The fourth proportional to 161,961.52, 242,942.22 and 83,025.40 is: 124,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,961.52 : 242,942.22 = 83,025.40 : x
  2. Step 2: Convert to fraction form
    161,961.52/242,942.22 = 83,025.40/x
  3. Step 3: Cross multiply
    161,961.52x = 242,942.22 × 83,025.40
  4. Step 4: Simplify right side
    161,961.52x = 20,170,374,992.39
  5. Step 5: Solve for x
    x = 20,170,374,992.39/161,961.52
  6. Step 6: Final answer
    x = 124,538.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.