Home / 122,091.75-168,478.57-68,364.45

Finding the Fourth Proportional to 122,091.75, 168,478.57 and 68,364.45

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Solution

The fourth proportional to 122,091.75, 168,478.57 and 68,364.45 is: 94,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,091.75 : 168,478.57 = 68,364.45 : x
  2. Step 2: Convert to fraction form
    122,091.75/168,478.57 = 68,364.45/x
  3. Step 3: Cross multiply
    122,091.75x = 168,478.57 × 68,364.45
  4. Step 4: Simplify right side
    122,091.75x = 11,517,944,774.84
  5. Step 5: Solve for x
    x = 11,517,944,774.84/122,091.75
  6. Step 6: Final answer
    x = 94,338.44

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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.