Home / 201,523.82-278,121.03-110,897.42

Finding the Fourth Proportional to 201,523.82, 278,121.03 and 110,897.42

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Solution

The fourth proportional to 201,523.82, 278,121.03 and 110,897.42 is: 153,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,523.82 : 278,121.03 = 110,897.42 : x
  2. Step 2: Convert to fraction form
    201,523.82/278,121.03 = 110,897.42/x
  3. Step 3: Cross multiply
    201,523.82x = 278,121.03 × 110,897.42
  4. Step 4: Simplify right side
    201,523.82x = 30,842,904,674.74
  5. Step 5: Solve for x
    x = 30,842,904,674.74/201,523.82
  6. Step 6: Final answer
    x = 153,048.43

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1.5x scale

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.