Home / 172,842.32-238,541.64-109,177.04

Finding the Fourth Proportional to 172,842.32, 238,541.64 and 109,177.04

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Solution

The fourth proportional to 172,842.32, 238,541.64 and 109,177.04 is: 150,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,842.32 : 238,541.64 = 109,177.04 : x
  2. Step 2: Convert to fraction form
    172,842.32/238,541.64 = 109,177.04/x
  3. Step 3: Cross multiply
    172,842.32x = 238,541.64 × 109,177.04
  4. Step 4: Simplify right side
    172,842.32x = 26,043,270,171.95
  5. Step 5: Solve for x
    x = 26,043,270,171.95/172,842.32
  6. Step 6: Final answer
    x = 150,676.47

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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.