Home / 122,015.76-168,384.60-68,299.44

Finding the Fourth Proportional to 122,015.76, 168,384.60 and 68,299.44

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Solution

The fourth proportional to 122,015.76, 168,384.60 and 68,299.44 is: 94,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,015.76 : 168,384.60 = 68,299.44 : x
  2. Step 2: Convert to fraction form
    122,015.76/168,384.60 = 68,299.44/x
  3. Step 3: Cross multiply
    122,015.76x = 168,384.60 × 68,299.44
  4. Step 4: Simplify right side
    122,015.76x = 11,500,573,884.62
  5. Step 5: Solve for x
    x = 11,500,573,884.62/122,015.76
  6. Step 6: Final answer
    x = 94,254.82

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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.