Home / 170,637.80-256,151.10-100,556.60

Finding the Fourth Proportional to 170,637.80, 256,151.10 and 100,556.60

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Solution

The fourth proportional to 170,637.80, 256,151.10 and 100,556.60 is: 150,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,637.80 : 256,151.10 = 100,556.60 : x
  2. Step 2: Convert to fraction form
    170,637.80/256,151.10 = 100,556.60/x
  3. Step 3: Cross multiply
    170,637.80x = 256,151.10 × 100,556.60
  4. Step 4: Simplify right side
    170,637.80x = 25,757,683,702.26
  5. Step 5: Solve for x
    x = 25,757,683,702.26/170,637.80
  6. Step 6: Final answer
    x = 150,949.46

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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.