Home / 74,130.24-111,198.46-21,539.73

Finding the Fourth Proportional to 74,130.24, 111,198.46 and 21,539.73

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Solution

The fourth proportional to 74,130.24, 111,198.46 and 21,539.73 is: 32,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.24 : 111,198.46 = 21,539.73 : x
  2. Step 2: Convert to fraction form
    74,130.24/111,198.46 = 21,539.73/x
  3. Step 3: Cross multiply
    74,130.24x = 111,198.46 × 21,539.73
  4. Step 4: Simplify right side
    74,130.24x = 2,395,184,750.97
  5. Step 5: Solve for x
    x = 2,395,184,750.97/74,130.24
  6. Step 6: Final answer
    x = 32,310.50

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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.