Home / 146,581.60-219,872.40-76,451.80

Finding the Fourth Proportional to 146,581.60, 219,872.40 and 76,451.80

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Solution

The fourth proportional to 146,581.60, 219,872.40 and 76,451.80 is: 114,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,581.60 : 219,872.40 = 76,451.80 : x
  2. Step 2: Convert to fraction form
    146,581.60/219,872.40 = 76,451.80/x
  3. Step 3: Cross multiply
    146,581.60x = 219,872.40 × 76,451.80
  4. Step 4: Simplify right side
    146,581.60x = 16,809,640,750.32
  5. Step 5: Solve for x
    x = 16,809,640,750.32/146,581.60
  6. Step 6: Final answer
    x = 114,677.70

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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.