Home / 109,216.38-163,607.76-84,169.56

Finding the Fourth Proportional to 109,216.38, 163,607.76 and 84,169.56

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Solution

The fourth proportional to 109,216.38, 163,607.76 and 84,169.56 is: 126,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,216.38 : 163,607.76 = 84,169.56 : x
  2. Step 2: Convert to fraction form
    109,216.38/163,607.76 = 84,169.56/x
  3. Step 3: Cross multiply
    109,216.38x = 163,607.76 × 84,169.56
  4. Step 4: Simplify right side
    109,216.38x = 13,770,793,171.79
  5. Step 5: Solve for x
    x = 13,770,793,171.79/109,216.38
  6. Step 6: Final answer
    x = 126,087.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.