Home / 214,948.41-321,930.87-102,707.52

Finding the Fourth Proportional to 214,948.41, 321,930.87 and 102,707.52

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Solution

The fourth proportional to 214,948.41, 321,930.87 and 102,707.52 is: 153,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,948.41 : 321,930.87 = 102,707.52 : x
  2. Step 2: Convert to fraction form
    214,948.41/321,930.87 = 102,707.52/x
  3. Step 3: Cross multiply
    214,948.41x = 321,930.87 × 102,707.52
  4. Step 4: Simplify right side
    214,948.41x = 33,064,721,269.14
  5. Step 5: Solve for x
    x = 33,064,721,269.14/214,948.41
  6. Step 6: Final answer
    x = 153,826.31

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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.