Home / 214,083.45-321,141.78-64,312.02

Finding the Fourth Proportional to 214,083.45, 321,141.78 and 64,312.02

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Solution

The fourth proportional to 214,083.45, 321,141.78 and 64,312.02 is: 96,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,083.45 : 321,141.78 = 64,312.02 : x
  2. Step 2: Convert to fraction form
    214,083.45/321,141.78 = 64,312.02/x
  3. Step 3: Cross multiply
    214,083.45x = 321,141.78 × 64,312.02
  4. Step 4: Simplify right side
    214,083.45x = 20,653,276,578.20
  5. Step 5: Solve for x
    x = 20,653,276,578.20/214,083.45
  6. Step 6: Final answer
    x = 96,473.02

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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.