Home / 112,132.02-168,310.26-80,579.10

Finding the Fourth Proportional to 112,132.02, 168,310.26 and 80,579.10

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Solution

The fourth proportional to 112,132.02, 168,310.26 and 80,579.10 is: 120,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,132.02 : 168,310.26 = 80,579.10 : x
  2. Step 2: Convert to fraction form
    112,132.02/168,310.26 = 80,579.10/x
  3. Step 3: Cross multiply
    112,132.02x = 168,310.26 × 80,579.10
  4. Step 4: Simplify right side
    112,132.02x = 13,562,289,271.57
  5. Step 5: Solve for x
    x = 13,562,289,271.57/112,132.02
  6. Step 6: Final answer
    x = 120,949.30

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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.