Home / 146,752.80-219,983.40-71,811.60

Finding the Fourth Proportional to 146,752.80, 219,983.40 and 71,811.60

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Solution

The fourth proportional to 146,752.80, 219,983.40 and 71,811.60 is: 107,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,752.80 : 219,983.40 = 71,811.60 : x
  2. Step 2: Convert to fraction form
    146,752.80/219,983.40 = 71,811.60/x
  3. Step 3: Cross multiply
    146,752.80x = 219,983.40 × 71,811.60
  4. Step 4: Simplify right side
    146,752.80x = 15,797,359,927.44
  5. Step 5: Solve for x
    x = 15,797,359,927.44/146,752.80
  6. Step 6: Final answer
    x = 107,646.05

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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.