Home / 120,556.92-180,810.68-45,651.23

Finding the Fourth Proportional to 120,556.92, 180,810.68 and 45,651.23

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Solution

The fourth proportional to 120,556.92, 180,810.68 and 45,651.23 is: 68,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,556.92 : 180,810.68 = 45,651.23 : x
  2. Step 2: Convert to fraction form
    120,556.92/180,810.68 = 45,651.23/x
  3. Step 3: Cross multiply
    120,556.92x = 180,810.68 × 45,651.23
  4. Step 4: Simplify right side
    120,556.92x = 8,254,228,806.83
  5. Step 5: Solve for x
    x = 8,254,228,806.83/120,556.92
  6. Step 6: Final answer
    x = 68,467.48

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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.