Home / 214,389.30-321,632.52-74,149.14

Finding the Fourth Proportional to 214,389.30, 321,632.52 and 74,149.14

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Solution

The fourth proportional to 214,389.30, 321,632.52 and 74,149.14 is: 111,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,389.30 : 321,632.52 = 74,149.14 : x
  2. Step 2: Convert to fraction form
    214,389.30/321,632.52 = 74,149.14/x
  3. Step 3: Cross multiply
    214,389.30x = 321,632.52 × 74,149.14
  4. Step 4: Simplify right side
    214,389.30x = 23,848,774,754.03
  5. Step 5: Solve for x
    x = 23,848,774,754.03/214,389.30
  6. Step 6: Final answer
    x = 111,240.51

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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.