Home / 122,179.96-168,608.12-74,433.31

Finding the Fourth Proportional to 122,179.96, 168,608.12 and 74,433.31

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Solution

The fourth proportional to 122,179.96, 168,608.12 and 74,433.31 is: 102,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,179.96 : 168,608.12 = 74,433.31 : x
  2. Step 2: Convert to fraction form
    122,179.96/168,608.12 = 74,433.31/x
  3. Step 3: Cross multiply
    122,179.96x = 168,608.12 × 74,433.31
  4. Step 4: Simplify right side
    122,179.96x = 12,550,060,464.48
  5. Step 5: Solve for x
    x = 12,550,060,464.48/122,179.96
  6. Step 6: Final answer
    x = 102,717.83

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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.