Home / 74,112.03-111,186.27-21,521.97

Finding the Fourth Proportional to 74,112.03, 111,186.27 and 21,521.97

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Solution

The fourth proportional to 74,112.03, 111,186.27 and 21,521.97 is: 32,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112.03 : 111,186.27 = 21,521.97 : x
  2. Step 2: Convert to fraction form
    74,112.03/111,186.27 = 21,521.97/x
  3. Step 3: Cross multiply
    74,112.03x = 111,186.27 × 21,521.97
  4. Step 4: Simplify right side
    74,112.03x = 2,392,947,567.35
  5. Step 5: Solve for x
    x = 2,392,947,567.35/74,112.03
  6. Step 6: Final answer
    x = 32,288.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.