Home / 122,014.77-168,387.03-68,299.62

Finding the Fourth Proportional to 122,014.77, 168,387.03 and 68,299.62

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Solution

The fourth proportional to 122,014.77, 168,387.03 and 68,299.62 is: 94,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,014.77 : 168,387.03 = 68,299.62 : x
  2. Step 2: Convert to fraction form
    122,014.77/168,387.03 = 68,299.62/x
  3. Step 3: Cross multiply
    122,014.77x = 168,387.03 × 68,299.62
  4. Step 4: Simplify right side
    122,014.77x = 11,500,770,161.93
  5. Step 5: Solve for x
    x = 11,500,770,161.93/122,014.77
  6. Step 6: Final answer
    x = 94,257.20

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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.