Home / 122,164.59-168,571.47-68,436.38

Finding the Fourth Proportional to 122,164.59, 168,571.47 and 68,436.38

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Solution

The fourth proportional to 122,164.59, 168,571.47 and 68,436.38 is: 94,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,164.59 : 168,571.47 = 68,436.38 : x
  2. Step 2: Convert to fraction form
    122,164.59/168,571.47 = 68,436.38/x
  3. Step 3: Cross multiply
    122,164.59x = 168,571.47 × 68,436.38
  4. Step 4: Simplify right side
    122,164.59x = 11,536,420,335.22
  5. Step 5: Solve for x
    x = 11,536,420,335.22/122,164.59
  6. Step 6: Final answer
    x = 94,433.42

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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.