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Finding the Fourth Proportional to 164,639.56, 246,957.54 and 39,980.68

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Solution

The fourth proportional to 164,639.56, 246,957.54 and 39,980.68 is: 59,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,639.56 : 246,957.54 = 39,980.68 : x
  2. Step 2: Convert to fraction form
    164,639.56/246,957.54 = 39,980.68/x
  3. Step 3: Cross multiply
    164,639.56x = 246,957.54 × 39,980.68
  4. Step 4: Simplify right side
    164,639.56x = 9,873,530,380.33
  5. Step 5: Solve for x
    x = 9,873,530,380.33/164,639.56
  6. Step 6: Final answer
    x = 59,970.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.