Home / 173,194.78-238,940.80-100,585.32

Finding the Fourth Proportional to 173,194.78, 238,940.80 and 100,585.32

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Solution

The fourth proportional to 173,194.78, 238,940.80 and 100,585.32 is: 138,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,194.78 : 238,940.80 = 100,585.32 : x
  2. Step 2: Convert to fraction form
    173,194.78/238,940.80 = 100,585.32/x
  3. Step 3: Cross multiply
    173,194.78x = 238,940.80 × 100,585.32
  4. Step 4: Simplify right side
    173,194.78x = 24,033,936,829.06
  5. Step 5: Solve for x
    x = 24,033,936,829.06/173,194.78
  6. Step 6: Final answer
    x = 138,768.25

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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.