Home / 146,465.20-219,722.10-57,721.60

Finding the Fourth Proportional to 146,465.20, 219,722.10 and 57,721.60

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Solution

The fourth proportional to 146,465.20, 219,722.10 and 57,721.60 is: 86,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,465.20 : 219,722.10 = 57,721.60 : x
  2. Step 2: Convert to fraction form
    146,465.20/219,722.10 = 57,721.60/x
  3. Step 3: Cross multiply
    146,465.20x = 219,722.10 × 57,721.60
  4. Step 4: Simplify right side
    146,465.20x = 12,682,711,167.36
  5. Step 5: Solve for x
    x = 12,682,711,167.36/146,465.20
  6. Step 6: Final answer
    x = 86,591.98

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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.