Home / 214,760.46-321,768.59-130,343.74

Finding the Fourth Proportional to 214,760.46, 321,768.59 and 130,343.74

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Solution

The fourth proportional to 214,760.46, 321,768.59 and 130,343.74 is: 195,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,760.46 : 321,768.59 = 130,343.74 : x
  2. Step 2: Convert to fraction form
    214,760.46/321,768.59 = 130,343.74/x
  3. Step 3: Cross multiply
    214,760.46x = 321,768.59 × 130,343.74
  4. Step 4: Simplify right side
    214,760.46x = 41,940,521,435.13
  5. Step 5: Solve for x
    x = 41,940,521,435.13/214,760.46
  6. Step 6: Final answer
    x = 195,289.77

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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.