Home / 161,879.20-242,559.60-106,410.40

Finding the Fourth Proportional to 161,879.20, 242,559.60 and 106,410.40

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Solution

The fourth proportional to 161,879.20, 242,559.60 and 106,410.40 is: 159,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,879.20 : 242,559.60 = 106,410.40 : x
  2. Step 2: Convert to fraction form
    161,879.20/242,559.60 = 106,410.40/x
  3. Step 3: Cross multiply
    161,879.20x = 242,559.60 × 106,410.40
  4. Step 4: Simplify right side
    161,879.20x = 25,810,864,059.84
  5. Step 5: Solve for x
    x = 25,810,864,059.84/161,879.20
  6. Step 6: Final answer
    x = 159,445.22

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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.