Home / 123,799.39-170,845.22-67,210.75

Finding the Fourth Proportional to 123,799.39, 170,845.22 and 67,210.75

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Solution

The fourth proportional to 123,799.39, 170,845.22 and 67,210.75 is: 92,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,799.39 : 170,845.22 = 67,210.75 : x
  2. Step 2: Convert to fraction form
    123,799.39/170,845.22 = 67,210.75/x
  3. Step 3: Cross multiply
    123,799.39x = 170,845.22 × 67,210.75
  4. Step 4: Simplify right side
    123,799.39x = 11,482,635,370.12
  5. Step 5: Solve for x
    x = 11,482,635,370.12/123,799.39
  6. Step 6: Final answer
    x = 92,751.95

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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.