Home / 140,564.24-193,964.68-80,130

Finding the Fourth Proportional to 140,564.24, 193,964.68 and 80,130

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Solution

The fourth proportional to 140,564.24, 193,964.68 and 80,130 is: 110,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,564.24 : 193,964.68 = 80,130 : x
  2. Step 2: Convert to fraction form
    140,564.24/193,964.68 = 80,130/x
  3. Step 3: Cross multiply
    140,564.24x = 193,964.68 × 80,130
  4. Step 4: Simplify right side
    140,564.24x = 15,542,389,808.40
  5. Step 5: Solve for x
    x = 15,542,389,808.40/140,564.24
  6. Step 6: Final answer
    x = 110,571.44

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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.