Home / 214,944.37-322,419.65-81,831.93

Finding the Fourth Proportional to 214,944.37, 322,419.65 and 81,831.93

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Solution

The fourth proportional to 214,944.37, 322,419.65 and 81,831.93 is: 122,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,944.37 : 322,419.65 = 81,831.93 : x
  2. Step 2: Convert to fraction form
    214,944.37/322,419.65 = 81,831.93/x
  3. Step 3: Cross multiply
    214,944.37x = 322,419.65 × 81,831.93
  4. Step 4: Simplify right side
    214,944.37x = 26,384,220,208.17
  5. Step 5: Solve for x
    x = 26,384,220,208.17/214,944.37
  6. Step 6: Final answer
    x = 122,749.07

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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.