Home / 122,180.37-168,618.38-68,470.38

Finding the Fourth Proportional to 122,180.37, 168,618.38 and 68,470.38

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Solution

The fourth proportional to 122,180.37, 168,618.38 and 68,470.38 is: 94,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,180.37 : 168,618.38 = 68,470.38 : x
  2. Step 2: Convert to fraction form
    122,180.37/168,618.38 = 68,470.38/x
  3. Step 3: Cross multiply
    122,180.37x = 168,618.38 × 68,470.38
  4. Step 4: Simplify right side
    122,180.37x = 11,545,364,211.23
  5. Step 5: Solve for x
    x = 11,545,364,211.23/122,180.37
  6. Step 6: Final answer
    x = 94,494.43

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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.