Home / 74,308-111,453.04-18,904.48

Finding the Fourth Proportional to 74,308, 111,453.04 and 18,904.48

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Solution

The fourth proportional to 74,308, 111,453.04 and 18,904.48 is: 28,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308 : 111,453.04 = 18,904.48 : x
  2. Step 2: Convert to fraction form
    74,308/111,453.04 = 18,904.48/x
  3. Step 3: Cross multiply
    74,308x = 111,453.04 × 18,904.48
  4. Step 4: Simplify right side
    74,308x = 2,106,961,765.62
  5. Step 5: Solve for x
    x = 2,106,961,765.62/74,308
  6. Step 6: Final answer
    x = 28,354.44

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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.