Home / 214,928.73-322,168.86-120,019.77

Finding the Fourth Proportional to 214,928.73, 322,168.86 and 120,019.77

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Solution

The fourth proportional to 214,928.73, 322,168.86 and 120,019.77 is: 179,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,928.73 : 322,168.86 = 120,019.77 : x
  2. Step 2: Convert to fraction form
    214,928.73/322,168.86 = 120,019.77/x
  3. Step 3: Cross multiply
    214,928.73x = 322,168.86 × 120,019.77
  4. Step 4: Simplify right side
    214,928.73x = 38,666,632,478.36
  5. Step 5: Solve for x
    x = 38,666,632,478.36/214,928.73
  6. Step 6: Final answer
    x = 179,904.44

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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.