Home / 141,522.39-195,299.74-80,280.21

Finding the Fourth Proportional to 141,522.39, 195,299.74 and 80,280.21

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Solution

The fourth proportional to 141,522.39, 195,299.74 and 80,280.21 is: 110,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,522.39 : 195,299.74 = 80,280.21 : x
  2. Step 2: Convert to fraction form
    141,522.39/195,299.74 = 80,280.21/x
  3. Step 3: Cross multiply
    141,522.39x = 195,299.74 × 80,280.21
  4. Step 4: Simplify right side
    141,522.39x = 15,678,704,140.15
  5. Step 5: Solve for x
    x = 15,678,704,140.15/141,522.39
  6. Step 6: Final answer
    x = 110,786.04

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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.