Home / 173,286.28-259,958.98-77,258.34

Finding the Fourth Proportional to 173,286.28, 259,958.98 and 77,258.34

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Solution

The fourth proportional to 173,286.28, 259,958.98 and 77,258.34 is: 115,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286.28 : 259,958.98 = 77,258.34 : x
  2. Step 2: Convert to fraction form
    173,286.28/259,958.98 = 77,258.34/x
  3. Step 3: Cross multiply
    173,286.28x = 259,958.98 × 77,258.34
  4. Step 4: Simplify right side
    173,286.28x = 20,083,999,142.18
  5. Step 5: Solve for x
    x = 20,083,999,142.18/173,286.28
  6. Step 6: Final answer
    x = 115,900.69

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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.