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Finding the Fourth Proportional to 105,973.44, 158,856.48 and 50,608.32

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Solution

The fourth proportional to 105,973.44, 158,856.48 and 50,608.32 is: 75,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,973.44 : 158,856.48 = 50,608.32 : x
  2. Step 2: Convert to fraction form
    105,973.44/158,856.48 = 50,608.32/x
  3. Step 3: Cross multiply
    105,973.44x = 158,856.48 × 50,608.32
  4. Step 4: Simplify right side
    105,973.44x = 8,039,459,573.91
  5. Step 5: Solve for x
    x = 8,039,459,573.91/105,973.44
  6. Step 6: Final answer
    x = 75,862.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.