Home / 112,279.28-168,334.67-67,896.95

Finding the Fourth Proportional to 112,279.28, 168,334.67 and 67,896.95

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Solution

The fourth proportional to 112,279.28, 168,334.67 and 67,896.95 is: 101,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279.28 : 168,334.67 = 67,896.95 : x
  2. Step 2: Convert to fraction form
    112,279.28/168,334.67 = 67,896.95/x
  3. Step 3: Cross multiply
    112,279.28x = 168,334.67 × 67,896.95
  4. Step 4: Simplify right side
    112,279.28x = 11,429,410,000.33
  5. Step 5: Solve for x
    x = 11,429,410,000.33/112,279.28
  6. Step 6: Final answer
    x = 101,794.48

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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.