Home / 105,529.44-158,302.38-30,650.79

Finding the Fourth Proportional to 105,529.44, 158,302.38 and 30,650.79

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Solution

The fourth proportional to 105,529.44, 158,302.38 and 30,650.79 is: 45,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,529.44 : 158,302.38 = 30,650.79 : x
  2. Step 2: Convert to fraction form
    105,529.44/158,302.38 = 30,650.79/x
  3. Step 3: Cross multiply
    105,529.44x = 158,302.38 × 30,650.79
  4. Step 4: Simplify right side
    105,529.44x = 4,852,093,005.88
  5. Step 5: Solve for x
    x = 4,852,093,005.88/105,529.44
  6. Step 6: Final answer
    x = 45,978.57

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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.