Home / 173,308.20-259,910.46-90,156.84

Finding the Fourth Proportional to 173,308.20, 259,910.46 and 90,156.84

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Solution

The fourth proportional to 173,308.20, 259,910.46 and 90,156.84 is: 135,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,308.20 : 259,910.46 = 90,156.84 : x
  2. Step 2: Convert to fraction form
    173,308.20/259,910.46 = 90,156.84/x
  3. Step 3: Cross multiply
    173,308.20x = 259,910.46 × 90,156.84
  4. Step 4: Simplify right side
    173,308.20x = 23,432,705,756.55
  5. Step 5: Solve for x
    x = 23,432,705,756.55/173,308.20
  6. Step 6: Final answer
    x = 135,208.29

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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.