Home / 221,549.04-305,736.12-120,947.04

Finding the Fourth Proportional to 221,549.04, 305,736.12 and 120,947.04

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Solution

The fourth proportional to 221,549.04, 305,736.12 and 120,947.04 is: 166,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,549.04 : 305,736.12 = 120,947.04 : x
  2. Step 2: Convert to fraction form
    221,549.04/305,736.12 = 120,947.04/x
  3. Step 3: Cross multiply
    221,549.04x = 305,736.12 × 120,947.04
  4. Step 4: Simplify right side
    221,549.04x = 36,977,878,735.08
  5. Step 5: Solve for x
    x = 36,977,878,735.08/221,549.04
  6. Step 6: Final answer
    x = 166,906.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.