Home / 120,262.39-180,364.43-50,103.43

Finding the Fourth Proportional to 120,262.39, 180,364.43 and 50,103.43

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Solution

The fourth proportional to 120,262.39, 180,364.43 and 50,103.43 is: 75,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.39 : 180,364.43 = 50,103.43 : x
  2. Step 2: Convert to fraction form
    120,262.39/180,364.43 = 50,103.43/x
  3. Step 3: Cross multiply
    120,262.39x = 180,364.43 × 50,103.43
  4. Step 4: Simplify right side
    120,262.39x = 9,036,876,342.48
  5. Step 5: Solve for x
    x = 9,036,876,342.48/120,262.39
  6. Step 6: Final answer
    x = 75,143.00

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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.