Home / 120,434.08-180,668.16-50,297.44

Finding the Fourth Proportional to 120,434.08, 180,668.16 and 50,297.44

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Solution

The fourth proportional to 120,434.08, 180,668.16 and 50,297.44 is: 75,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,434.08 : 180,668.16 = 50,297.44 : x
  2. Step 2: Convert to fraction form
    120,434.08/180,668.16 = 50,297.44/x
  3. Step 3: Cross multiply
    120,434.08x = 180,668.16 × 50,297.44
  4. Step 4: Simplify right side
    120,434.08x = 9,087,145,937.51
  5. Step 5: Solve for x
    x = 9,087,145,937.51/120,434.08
  6. Step 6: Final answer
    x = 75,453.28

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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.