Home / 140,057.73-193,271.97-79,619.98

Finding the Fourth Proportional to 140,057.73, 193,271.97 and 79,619.98

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Solution

The fourth proportional to 140,057.73, 193,271.97 and 79,619.98 is: 109,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,057.73 : 193,271.97 = 79,619.98 : x
  2. Step 2: Convert to fraction form
    140,057.73/193,271.97 = 79,619.98/x
  3. Step 3: Cross multiply
    140,057.73x = 193,271.97 × 79,619.98
  4. Step 4: Simplify right side
    140,057.73x = 15,388,310,385.96
  5. Step 5: Solve for x
    x = 15,388,310,385.96/140,057.73
  6. Step 6: Final answer
    x = 109,871.20

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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.