Home / 163,421.39-225,481.72-95,399.62

Finding the Fourth Proportional to 163,421.39, 225,481.72 and 95,399.62

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Solution

The fourth proportional to 163,421.39, 225,481.72 and 95,399.62 is: 131,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,421.39 : 225,481.72 = 95,399.62 : x
  2. Step 2: Convert to fraction form
    163,421.39/225,481.72 = 95,399.62/x
  3. Step 3: Cross multiply
    163,421.39x = 225,481.72 × 95,399.62
  4. Step 4: Simplify right side
    163,421.39x = 21,510,870,404.95
  5. Step 5: Solve for x
    x = 21,510,870,404.95/163,421.39
  6. Step 6: Final answer
    x = 131,628.24

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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.