Home / 90,788.40-136,182.30-27,608.10

Finding the Fourth Proportional to 90,788.40, 136,182.30 and 27,608.10

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Solution

The fourth proportional to 90,788.40, 136,182.30 and 27,608.10 is: 41,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,788.40 : 136,182.30 = 27,608.10 : x
  2. Step 2: Convert to fraction form
    90,788.40/136,182.30 = 27,608.10/x
  3. Step 3: Cross multiply
    90,788.40x = 136,182.30 × 27,608.10
  4. Step 4: Simplify right side
    90,788.40x = 3,759,734,556.63
  5. Step 5: Solve for x
    x = 3,759,734,556.63/90,788.40
  6. Step 6: Final answer
    x = 41,412.06

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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.