Home / 170,918.32-256,283.52-52,556.80

Finding the Fourth Proportional to 170,918.32, 256,283.52 and 52,556.80

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Solution

The fourth proportional to 170,918.32, 256,283.52 and 52,556.80 is: 78,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,918.32 : 256,283.52 = 52,556.80 : x
  2. Step 2: Convert to fraction form
    170,918.32/256,283.52 = 52,556.80/x
  3. Step 3: Cross multiply
    170,918.32x = 256,283.52 × 52,556.80
  4. Step 4: Simplify right side
    170,918.32x = 13,469,441,703.94
  5. Step 5: Solve for x
    x = 13,469,441,703.94/170,918.32
  6. Step 6: Final answer
    x = 78,806.31

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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.