Home / 112,982.76-155,922.70-68,285.16

Finding the Fourth Proportional to 112,982.76, 155,922.70 and 68,285.16

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Solution

The fourth proportional to 112,982.76, 155,922.70 and 68,285.16 is: 94,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.76 : 155,922.70 = 68,285.16 : x
  2. Step 2: Convert to fraction form
    112,982.76/155,922.70 = 68,285.16/x
  3. Step 3: Cross multiply
    112,982.76x = 155,922.70 × 68,285.16
  4. Step 4: Simplify right side
    112,982.76x = 10,647,206,517.13
  5. Step 5: Solve for x
    x = 10,647,206,517.13/112,982.76
  6. Step 6: Final answer
    x = 94,237.44

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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.