Home / 163,451.91-225,551.34-91,817.94

Finding the Fourth Proportional to 163,451.91, 225,551.34 and 91,817.94

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Solution

The fourth proportional to 163,451.91, 225,551.34 and 91,817.94 is: 126,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,451.91 : 225,551.34 = 91,817.94 : x
  2. Step 2: Convert to fraction form
    163,451.91/225,551.34 = 91,817.94/x
  3. Step 3: Cross multiply
    163,451.91x = 225,551.34 × 91,817.94
  4. Step 4: Simplify right side
    163,451.91x = 20,709,659,403.04
  5. Step 5: Solve for x
    x = 20,709,659,403.04/163,451.91
  6. Step 6: Final answer
    x = 126,701.85

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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.