Home / 275,108.20-412,604.70-134,967.40

Finding the Fourth Proportional to 275,108.20, 412,604.70 and 134,967.40

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Solution

The fourth proportional to 275,108.20, 412,604.70 and 134,967.40 is: 202,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,108.20 : 412,604.70 = 134,967.40 : x
  2. Step 2: Convert to fraction form
    275,108.20/412,604.70 = 134,967.40/x
  3. Step 3: Cross multiply
    275,108.20x = 412,604.70 × 134,967.40
  4. Step 4: Simplify right side
    275,108.20x = 55,688,183,586.78
  5. Step 5: Solve for x
    x = 55,688,183,586.78/275,108.20
  6. Step 6: Final answer
    x = 202,422.84

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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.