Home / 179,309.36-268,762.19-78,192.50

Finding the Fourth Proportional to 179,309.36, 268,762.19 and 78,192.50

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Solution

The fourth proportional to 179,309.36, 268,762.19 and 78,192.50 is: 117,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,309.36 : 268,762.19 = 78,192.50 : x
  2. Step 2: Convert to fraction form
    179,309.36/268,762.19 = 78,192.50/x
  3. Step 3: Cross multiply
    179,309.36x = 268,762.19 × 78,192.50
  4. Step 4: Simplify right side
    179,309.36x = 21,015,188,408.96
  5. Step 5: Solve for x
    x = 21,015,188,408.96/179,309.36
  6. Step 6: Final answer
    x = 117,200.73

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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.