Home / 163,160.69-225,175.33-90,570.42

Finding the Fourth Proportional to 163,160.69, 225,175.33 and 90,570.42

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Solution

The fourth proportional to 163,160.69, 225,175.33 and 90,570.42 is: 124,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,160.69 : 225,175.33 = 90,570.42 : x
  2. Step 2: Convert to fraction form
    163,160.69/225,175.33 = 90,570.42/x
  3. Step 3: Cross multiply
    163,160.69x = 225,175.33 × 90,570.42
  4. Step 4: Simplify right side
    163,160.69x = 20,394,222,633.01
  5. Step 5: Solve for x
    x = 20,394,222,633.01/163,160.69
  6. Step 6: Final answer
    x = 124,994.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.