Home / 163,236.11-225,262.67-90,635.23

Finding the Fourth Proportional to 163,236.11, 225,262.67 and 90,635.23

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Solution

The fourth proportional to 163,236.11, 225,262.67 and 90,635.23 is: 125,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,236.11 : 225,262.67 = 90,635.23 : x
  2. Step 2: Convert to fraction form
    163,236.11/225,262.67 = 90,635.23/x
  3. Step 3: Cross multiply
    163,236.11x = 225,262.67 × 90,635.23
  4. Step 4: Simplify right side
    163,236.11x = 20,416,733,610.54
  5. Step 5: Solve for x
    x = 20,416,733,610.54/163,236.11
  6. Step 6: Final answer
    x = 125,074.86

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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.