Home / 146,579.20-219,868.80-145,704.40

Finding the Fourth Proportional to 146,579.20, 219,868.80 and 145,704.40

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Solution

The fourth proportional to 146,579.20, 219,868.80 and 145,704.40 is: 218,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.20 : 219,868.80 = 145,704.40 : x
  2. Step 2: Convert to fraction form
    146,579.20/219,868.80 = 145,704.40/x
  3. Step 3: Cross multiply
    146,579.20x = 219,868.80 × 145,704.40
  4. Step 4: Simplify right side
    146,579.20x = 32,035,851,582.72
  5. Step 5: Solve for x
    x = 32,035,851,582.72/146,579.20
  6. Step 6: Final answer
    x = 218,556.60

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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.