Home / 90,396.21-124,733.63-50,109.94

Finding the Fourth Proportional to 90,396.21, 124,733.63 and 50,109.94

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Solution

The fourth proportional to 90,396.21, 124,733.63 and 50,109.94 is: 69,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,396.21 : 124,733.63 = 50,109.94 : x
  2. Step 2: Convert to fraction form
    90,396.21/124,733.63 = 50,109.94/x
  3. Step 3: Cross multiply
    90,396.21x = 124,733.63 × 50,109.94
  4. Step 4: Simplify right side
    90,396.21x = 6,250,394,528.72
  5. Step 5: Solve for x
    x = 6,250,394,528.72/90,396.21
  6. Step 6: Final answer
    x = 69,144.43

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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.