Home / 173,318.68-259,974.54-78,531.20

Finding the Fourth Proportional to 173,318.68, 259,974.54 and 78,531.20

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Solution

The fourth proportional to 173,318.68, 259,974.54 and 78,531.20 is: 117,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,318.68 : 259,974.54 = 78,531.20 : x
  2. Step 2: Convert to fraction form
    173,318.68/259,974.54 = 78,531.20/x
  3. Step 3: Cross multiply
    173,318.68x = 259,974.54 × 78,531.20
  4. Step 4: Simplify right side
    173,318.68x = 20,416,112,102.64
  5. Step 5: Solve for x
    x = 20,416,112,102.64/173,318.68
  6. Step 6: Final answer
    x = 117,795.22

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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.