Home / 122,013.36-168,356.16-68,299.20

Finding the Fourth Proportional to 122,013.36, 168,356.16 and 68,299.20

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Solution

The fourth proportional to 122,013.36, 168,356.16 and 68,299.20 is: 94,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,013.36 : 168,356.16 = 68,299.20 : x
  2. Step 2: Convert to fraction form
    122,013.36/168,356.16 = 68,299.20/x
  3. Step 3: Cross multiply
    122,013.36x = 168,356.16 × 68,299.20
  4. Step 4: Simplify right side
    122,013.36x = 11,498,591,043.07
  5. Step 5: Solve for x
    x = 11,498,591,043.07/122,013.36
  6. Step 6: Final answer
    x = 94,240.43

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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.