Home / 122,427.05-168,949.32-68,712.06

Finding the Fourth Proportional to 122,427.05, 168,949.32 and 68,712.06

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Solution

The fourth proportional to 122,427.05, 168,949.32 and 68,712.06 is: 94,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,427.05 : 168,949.32 = 68,712.06 : x
  2. Step 2: Convert to fraction form
    122,427.05/168,949.32 = 68,712.06/x
  3. Step 3: Cross multiply
    122,427.05x = 168,949.32 × 68,712.06
  4. Step 4: Simplify right side
    122,427.05x = 11,608,855,812.80
  5. Step 5: Solve for x
    x = 11,608,855,812.80/122,427.05
  6. Step 6: Final answer
    x = 94,822.64

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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.