Home / 143,226.80-197,653.20-79,562.96

Finding the Fourth Proportional to 143,226.80, 197,653.20 and 79,562.96

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Solution

The fourth proportional to 143,226.80, 197,653.20 and 79,562.96 is: 109,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,226.80 : 197,653.20 = 79,562.96 : x
  2. Step 2: Convert to fraction form
    143,226.80/197,653.20 = 79,562.96/x
  3. Step 3: Cross multiply
    143,226.80x = 197,653.20 × 79,562.96
  4. Step 4: Simplify right side
    143,226.80x = 15,725,873,645.47
  5. Step 5: Solve for x
    x = 15,725,873,645.47/143,226.80
  6. Step 6: Final answer
    x = 109,797.00

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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.