Home / 172,943.55-238,571.32-140,714.20

Finding the Fourth Proportional to 172,943.55, 238,571.32 and 140,714.20

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Solution

The fourth proportional to 172,943.55, 238,571.32 and 140,714.20 is: 194,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,943.55 : 238,571.32 = 140,714.20 : x
  2. Step 2: Convert to fraction form
    172,943.55/238,571.32 = 140,714.20/x
  3. Step 3: Cross multiply
    172,943.55x = 238,571.32 × 140,714.20
  4. Step 4: Simplify right side
    172,943.55x = 33,570,372,436.74
  5. Step 5: Solve for x
    x = 33,570,372,436.74/172,943.55
  6. Step 6: Final answer
    x = 194,111.73

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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.