Home / 120,369.27-180,583.89-36,131.00

Finding the Fourth Proportional to 120,369.27, 180,583.89 and 36,131.00

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Solution

The fourth proportional to 120,369.27, 180,583.89 and 36,131.00 is: 54,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,369.27 : 180,583.89 = 36,131.00 : x
  2. Step 2: Convert to fraction form
    120,369.27/180,583.89 = 36,131.00/x
  3. Step 3: Cross multiply
    120,369.27x = 180,583.89 × 36,131.00
  4. Step 4: Simplify right side
    120,369.27x = 6,524,675,626.67
  5. Step 5: Solve for x
    x = 6,524,675,626.67/120,369.27
  6. Step 6: Final answer
    x = 54,205.49

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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.