Home / 201,982.36-278,734.08-110,101.42

Finding the Fourth Proportional to 201,982.36, 278,734.08 and 110,101.42

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Solution

The fourth proportional to 201,982.36, 278,734.08 and 110,101.42 is: 151,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,982.36 : 278,734.08 = 110,101.42 : x
  2. Step 2: Convert to fraction form
    201,982.36/278,734.08 = 110,101.42/x
  3. Step 3: Cross multiply
    201,982.36x = 278,734.08 × 110,101.42
  4. Step 4: Simplify right side
    201,982.36x = 30,689,018,010.39
  5. Step 5: Solve for x
    x = 30,689,018,010.39/201,982.36
  6. Step 6: Final answer
    x = 151,939.10

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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.