Home / 234,923.09-324,249.48-139,484.84

Finding the Fourth Proportional to 234,923.09, 324,249.48 and 139,484.84

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Solution

The fourth proportional to 234,923.09, 324,249.48 and 139,484.84 is: 192,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,923.09 : 324,249.48 = 139,484.84 : x
  2. Step 2: Convert to fraction form
    234,923.09/324,249.48 = 139,484.84/x
  3. Step 3: Cross multiply
    234,923.09x = 324,249.48 × 139,484.84
  4. Step 4: Simplify right side
    234,923.09x = 45,227,885,216.64
  5. Step 5: Solve for x
    x = 45,227,885,216.64/234,923.09
  6. Step 6: Final answer
    x = 192,522.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.