Home / 179,137.50-268,697.52-66,808.98

Finding the Fourth Proportional to 179,137.50, 268,697.52 and 66,808.98

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Solution

The fourth proportional to 179,137.50, 268,697.52 and 66,808.98 is: 100,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,137.50 : 268,697.52 = 66,808.98 : x
  2. Step 2: Convert to fraction form
    179,137.50/268,697.52 = 66,808.98/x
  3. Step 3: Cross multiply
    179,137.50x = 268,697.52 × 66,808.98
  4. Step 4: Simplify right side
    179,137.50x = 17,951,407,239.73
  5. Step 5: Solve for x
    x = 17,951,407,239.73/179,137.50
  6. Step 6: Final answer
    x = 100,210.21

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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.