Home / 269,975.20-404,638.80-112,122.40

Finding the Fourth Proportional to 269,975.20, 404,638.80 and 112,122.40

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Solution

The fourth proportional to 269,975.20, 404,638.80 and 112,122.40 is: 168,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,975.20 : 404,638.80 = 112,122.40 : x
  2. Step 2: Convert to fraction form
    269,975.20/404,638.80 = 112,122.40/x
  3. Step 3: Cross multiply
    269,975.20x = 404,638.80 × 112,122.40
  4. Step 4: Simplify right side
    269,975.20x = 45,369,073,389.12
  5. Step 5: Solve for x
    x = 45,369,073,389.12/269,975.20
  6. Step 6: Final answer
    x = 168,049.04

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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.