Home / 117,706.28-162,436.51-63,991.50

Finding the Fourth Proportional to 117,706.28, 162,436.51 and 63,991.50

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Solution

The fourth proportional to 117,706.28, 162,436.51 and 63,991.50 is: 88,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.28 : 162,436.51 = 63,991.50 : x
  2. Step 2: Convert to fraction form
    117,706.28/162,436.51 = 63,991.50/x
  3. Step 3: Cross multiply
    117,706.28x = 162,436.51 × 63,991.50
  4. Step 4: Simplify right side
    117,706.28x = 10,394,555,523.57
  5. Step 5: Solve for x
    x = 10,394,555,523.57/117,706.28
  6. Step 6: Final answer
    x = 88,309.27

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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.