Home / 146,408.20-219,612.30-130,661.80

Finding the Fourth Proportional to 146,408.20, 219,612.30 and 130,661.80

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Solution

The fourth proportional to 146,408.20, 219,612.30 and 130,661.80 is: 195,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,408.20 : 219,612.30 = 130,661.80 : x
  2. Step 2: Convert to fraction form
    146,408.20/219,612.30 = 130,661.80/x
  3. Step 3: Cross multiply
    146,408.20x = 219,612.30 × 130,661.80
  4. Step 4: Simplify right side
    146,408.20x = 28,694,938,420.14
  5. Step 5: Solve for x
    x = 28,694,938,420.14/146,408.20
  6. Step 6: Final answer
    x = 195,992.70

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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.