Home / 146,530.40-219,795.60-57,786.80

Finding the Fourth Proportional to 146,530.40, 219,795.60 and 57,786.80

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Solution

The fourth proportional to 146,530.40, 219,795.60 and 57,786.80 is: 86,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,530.40 : 219,795.60 = 57,786.80 : x
  2. Step 2: Convert to fraction form
    146,530.40/219,795.60 = 57,786.80/x
  3. Step 3: Cross multiply
    146,530.40x = 219,795.60 × 57,786.80
  4. Step 4: Simplify right side
    146,530.40x = 12,701,284,378.08
  5. Step 5: Solve for x
    x = 12,701,284,378.08/146,530.40
  6. Step 6: Final answer
    x = 86,680.20

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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.