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Finding the Fourth Proportional to 163,305.63, 225,344.48 and 91,693.71

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Solution

The fourth proportional to 163,305.63, 225,344.48 and 91,693.71 is: 126,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,305.63 : 225,344.48 = 91,693.71 : x
  2. Step 2: Convert to fraction form
    163,305.63/225,344.48 = 91,693.71/x
  3. Step 3: Cross multiply
    163,305.63x = 225,344.48 × 91,693.71
  4. Step 4: Simplify right side
    163,305.63x = 20,662,670,501.73
  5. Step 5: Solve for x
    x = 20,662,670,501.73/163,305.63
  6. Step 6: Final answer
    x = 126,527.61

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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.