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Finding the Fourth Proportional to 173,047.36, 259,459.44 and 67,876.96

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Solution

The fourth proportional to 173,047.36, 259,459.44 and 67,876.96 is: 101,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,047.36 : 259,459.44 = 67,876.96 : x
  2. Step 2: Convert to fraction form
    173,047.36/259,459.44 = 67,876.96/x
  3. Step 3: Cross multiply
    173,047.36x = 259,459.44 × 67,876.96
  4. Step 4: Simplify right side
    173,047.36x = 17,611,318,030.50
  5. Step 5: Solve for x
    x = 17,611,318,030.50/173,047.36
  6. Step 6: Final answer
    x = 101,771.67

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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.