Home / 90,941.22-125,492.43-50,103.54

Finding the Fourth Proportional to 90,941.22, 125,492.43 and 50,103.54

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Solution

The fourth proportional to 90,941.22, 125,492.43 and 50,103.54 is: 69,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.22 : 125,492.43 = 50,103.54 : x
  2. Step 2: Convert to fraction form
    90,941.22/125,492.43 = 50,103.54/x
  3. Step 3: Cross multiply
    90,941.22x = 125,492.43 × 50,103.54
  4. Step 4: Simplify right side
    90,941.22x = 6,287,614,986.20
  5. Step 5: Solve for x
    x = 6,287,614,986.20/90,941.22
  6. Step 6: Final answer
    x = 69,139.33

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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.