Home / 80,107.72-120,265.46-53,623.15

Finding the Fourth Proportional to 80,107.72, 120,265.46 and 53,623.15

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Solution

The fourth proportional to 80,107.72, 120,265.46 and 53,623.15 is: 80,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,107.72 : 120,265.46 = 53,623.15 : x
  2. Step 2: Convert to fraction form
    80,107.72/120,265.46 = 53,623.15/x
  3. Step 3: Cross multiply
    80,107.72x = 120,265.46 × 53,623.15
  4. Step 4: Simplify right side
    80,107.72x = 6,449,012,433.71
  5. Step 5: Solve for x
    x = 6,449,012,433.71/80,107.72
  6. Step 6: Final answer
    x = 80,504.26

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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.