Home / 172,724.20-238,309.86-119,023.72

Finding the Fourth Proportional to 172,724.20, 238,309.86 and 119,023.72

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Solution

The fourth proportional to 172,724.20, 238,309.86 and 119,023.72 is: 164,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,724.20 : 238,309.86 = 119,023.72 : x
  2. Step 2: Convert to fraction form
    172,724.20/238,309.86 = 119,023.72/x
  3. Step 3: Cross multiply
    172,724.20x = 238,309.86 × 119,023.72
  4. Step 4: Simplify right side
    172,724.20x = 28,364,526,049.88
  5. Step 5: Solve for x
    x = 28,364,526,049.88/172,724.20
  6. Step 6: Final answer
    x = 164,218.60

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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.