Home / 201,852.67-278,556.95-109,971.50

Finding the Fourth Proportional to 201,852.67, 278,556.95 and 109,971.50

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Solution

The fourth proportional to 201,852.67, 278,556.95 and 109,971.50 is: 151,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852.67 : 278,556.95 = 109,971.50 : x
  2. Step 2: Convert to fraction form
    201,852.67/278,556.95 = 109,971.50/x
  3. Step 3: Cross multiply
    201,852.67x = 278,556.95 × 109,971.50
  4. Step 4: Simplify right side
    201,852.67x = 30,633,323,684.28
  5. Step 5: Solve for x
    x = 30,633,323,684.28/201,852.67
  6. Step 6: Final answer
    x = 151,760.81

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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.