Home / 214,745.37-321,875.01-109,341.69

Finding the Fourth Proportional to 214,745.37, 321,875.01 and 109,341.69

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Solution

The fourth proportional to 214,745.37, 321,875.01 and 109,341.69 is: 163,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,745.37 : 321,875.01 = 109,341.69 : x
  2. Step 2: Convert to fraction form
    214,745.37/321,875.01 = 109,341.69/x
  3. Step 3: Cross multiply
    214,745.37x = 321,875.01 × 109,341.69
  4. Step 4: Simplify right side
    214,745.37x = 35,194,357,562.17
  5. Step 5: Solve for x
    x = 35,194,357,562.17/214,745.37
  6. Step 6: Final answer
    x = 163,888.78

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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.