Home / 163,584.12-225,728.84-90,975.26

Finding the Fourth Proportional to 163,584.12, 225,728.84 and 90,975.26

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Solution

The fourth proportional to 163,584.12, 225,728.84 and 90,975.26 is: 125,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,584.12 : 225,728.84 = 90,975.26 : x
  2. Step 2: Convert to fraction form
    163,584.12/225,728.84 = 90,975.26/x
  3. Step 3: Cross multiply
    163,584.12x = 225,728.84 × 90,975.26
  4. Step 4: Simplify right side
    163,584.12x = 20,535,739,908.50
  5. Step 5: Solve for x
    x = 20,535,739,908.50/163,584.12
  6. Step 6: Final answer
    x = 125,536.27

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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.