Home / 172,946.40-238,629.64-104,999.08

Finding the Fourth Proportional to 172,946.40, 238,629.64 and 104,999.08

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Solution

The fourth proportional to 172,946.40, 238,629.64 and 104,999.08 is: 144,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,946.40 : 238,629.64 = 104,999.08 : x
  2. Step 2: Convert to fraction form
    172,946.40/238,629.64 = 104,999.08/x
  3. Step 3: Cross multiply
    172,946.40x = 238,629.64 × 104,999.08
  4. Step 4: Simplify right side
    172,946.40x = 25,055,892,660.73
  5. Step 5: Solve for x
    x = 25,055,892,660.73/172,946.40
  6. Step 6: Final answer
    x = 144,876.64

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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.