Home / 147,664.54-204,043.62-105,149.26

Finding the Fourth Proportional to 147,664.54, 204,043.62 and 105,149.26

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Solution

The fourth proportional to 147,664.54, 204,043.62 and 105,149.26 is: 145,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,664.54 : 204,043.62 = 105,149.26 : x
  2. Step 2: Convert to fraction form
    147,664.54/204,043.62 = 105,149.26/x
  3. Step 3: Cross multiply
    147,664.54x = 204,043.62 × 105,149.26
  4. Step 4: Simplify right side
    147,664.54x = 21,455,035,650.72
  5. Step 5: Solve for x
    x = 21,455,035,650.72/147,664.54
  6. Step 6: Final answer
    x = 145,295.79

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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.