Home / 180,142.80-270,229.20-53,774.70

Finding the Fourth Proportional to 180,142.80, 270,229.20 and 53,774.70

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Solution

The fourth proportional to 180,142.80, 270,229.20 and 53,774.70 is: 80,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,142.80 : 270,229.20 = 53,774.70 : x
  2. Step 2: Convert to fraction form
    180,142.80/270,229.20 = 53,774.70/x
  3. Step 3: Cross multiply
    180,142.80x = 270,229.20 × 53,774.70
  4. Step 4: Simplify right side
    180,142.80x = 14,531,494,161.24
  5. Step 5: Solve for x
    x = 14,531,494,161.24/180,142.80
  6. Step 6: Final answer
    x = 80,666.53

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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.