Home / 109,112.32-163,650.30-30,234.52

Finding the Fourth Proportional to 109,112.32, 163,650.30 and 30,234.52

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Solution

The fourth proportional to 109,112.32, 163,650.30 and 30,234.52 is: 45,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.32 : 163,650.30 = 30,234.52 : x
  2. Step 2: Convert to fraction form
    109,112.32/163,650.30 = 30,234.52/x
  3. Step 3: Cross multiply
    109,112.32x = 163,650.30 × 30,234.52
  4. Step 4: Simplify right side
    109,112.32x = 4,947,888,268.36
  5. Step 5: Solve for x
    x = 4,947,888,268.36/109,112.32
  6. Step 6: Final answer
    x = 45,346.74

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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.