Home / 143,224.62-197,643.27-79,566.30

Finding the Fourth Proportional to 143,224.62, 197,643.27 and 79,566.30

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Solution

The fourth proportional to 143,224.62, 197,643.27 and 79,566.30 is: 109,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,224.62 : 197,643.27 = 79,566.30 : x
  2. Step 2: Convert to fraction form
    143,224.62/197,643.27 = 79,566.30/x
  3. Step 3: Cross multiply
    143,224.62x = 197,643.27 × 79,566.30
  4. Step 4: Simplify right side
    143,224.62x = 15,725,743,713.80
  5. Step 5: Solve for x
    x = 15,725,743,713.80/143,224.62
  6. Step 6: Final answer
    x = 109,797.77

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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.