Home / 201,634.41-278,253.37-110,988.43

Finding the Fourth Proportional to 201,634.41, 278,253.37 and 110,988.43

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Solution

The fourth proportional to 201,634.41, 278,253.37 and 110,988.43 is: 153,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,634.41 : 278,253.37 = 110,988.43 : x
  2. Step 2: Convert to fraction form
    201,634.41/278,253.37 = 110,988.43/x
  3. Step 3: Cross multiply
    201,634.41x = 278,253.37 × 110,988.43
  4. Step 4: Simplify right side
    201,634.41x = 30,882,904,678.51
  5. Step 5: Solve for x
    x = 30,882,904,678.51/201,634.41
  6. Step 6: Final answer
    x = 153,162.87

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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.