Home / 214,239.84-321,285.69-87,844.20

Finding the Fourth Proportional to 214,239.84, 321,285.69 and 87,844.20

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Solution

The fourth proportional to 214,239.84, 321,285.69 and 87,844.20 is: 131,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,239.84 : 321,285.69 = 87,844.20 : x
  2. Step 2: Convert to fraction form
    214,239.84/321,285.69 = 87,844.20/x
  3. Step 3: Cross multiply
    214,239.84x = 321,285.69 × 87,844.20
  4. Step 4: Simplify right side
    214,239.84x = 28,223,084,409.50
  5. Step 5: Solve for x
    x = 28,223,084,409.50/214,239.84
  6. Step 6: Final answer
    x = 131,735.93

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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.