Home / 143,433.52-197,935.44-79,769.95

Finding the Fourth Proportional to 143,433.52, 197,935.44 and 79,769.95

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Solution

The fourth proportional to 143,433.52, 197,935.44 and 79,769.95 is: 110,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,433.52 : 197,935.44 = 79,769.95 : x
  2. Step 2: Convert to fraction form
    143,433.52/197,935.44 = 79,769.95/x
  3. Step 3: Cross multiply
    143,433.52x = 197,935.44 × 79,769.95
  4. Step 4: Simplify right side
    143,433.52x = 15,789,300,152.03
  5. Step 5: Solve for x
    x = 15,789,300,152.03/143,433.52
  6. Step 6: Final answer
    x = 110,080.96

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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.