Home / 105,485.44-158,229.78-34,407.76

Finding the Fourth Proportional to 105,485.44, 158,229.78 and 34,407.76

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Solution

The fourth proportional to 105,485.44, 158,229.78 and 34,407.76 is: 51,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,485.44 : 158,229.78 = 34,407.76 : x
  2. Step 2: Convert to fraction form
    105,485.44/158,229.78 = 34,407.76/x
  3. Step 3: Cross multiply
    105,485.44x = 158,229.78 × 34,407.76
  4. Step 4: Simplify right side
    105,485.44x = 5,444,332,295.09
  5. Step 5: Solve for x
    x = 5,444,332,295.09/105,485.44
  6. Step 6: Final answer
    x = 51,612.17

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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.