Home / 234,866.36-324,271.68-139,403.82

Finding the Fourth Proportional to 234,866.36, 324,271.68 and 139,403.82

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Solution

The fourth proportional to 234,866.36, 324,271.68 and 139,403.82 is: 192,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,866.36 : 324,271.68 = 139,403.82 : x
  2. Step 2: Convert to fraction form
    234,866.36/324,271.68 = 139,403.82/x
  3. Step 3: Cross multiply
    234,866.36x = 324,271.68 × 139,403.82
  4. Step 4: Simplify right side
    234,866.36x = 45,204,710,909.82
  5. Step 5: Solve for x
    x = 45,204,710,909.82/234,866.36
  6. Step 6: Final answer
    x = 192,469.93

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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.