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Finding the Fourth Proportional to 146,580.60, 219,870.90 and 76,450.80

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Solution

The fourth proportional to 146,580.60, 219,870.90 and 76,450.80 is: 114,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580.60 : 219,870.90 = 76,450.80 : x
  2. Step 2: Convert to fraction form
    146,580.60/219,870.90 = 76,450.80/x
  3. Step 3: Cross multiply
    146,580.60x = 219,870.90 × 76,450.80
  4. Step 4: Simplify right side
    146,580.60x = 16,809,306,201.72
  5. Step 5: Solve for x
    x = 16,809,306,201.72/146,580.60
  6. Step 6: Final answer
    x = 114,676.20

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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.