Home / 163,218.35-225,245.79-91,602.81

Finding the Fourth Proportional to 163,218.35, 225,245.79 and 91,602.81

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Solution

The fourth proportional to 163,218.35, 225,245.79 and 91,602.81 is: 126,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,218.35 : 225,245.79 = 91,602.81 : x
  2. Step 2: Convert to fraction form
    163,218.35/225,245.79 = 91,602.81/x
  3. Step 3: Cross multiply
    163,218.35x = 225,245.79 × 91,602.81
  4. Step 4: Simplify right side
    163,218.35x = 20,633,147,304.67
  5. Step 5: Solve for x
    x = 20,633,147,304.67/163,218.35
  6. Step 6: Final answer
    x = 126,414.39

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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.