Home / 143,190.24-197,599.68-79,525.86

Finding the Fourth Proportional to 143,190.24, 197,599.68 and 79,525.86

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Solution

The fourth proportional to 143,190.24, 197,599.68 and 79,525.86 is: 109,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.24 : 197,599.68 = 79,525.86 : x
  2. Step 2: Convert to fraction form
    143,190.24/197,599.68 = 79,525.86/x
  3. Step 3: Cross multiply
    143,190.24x = 197,599.68 × 79,525.86
  4. Step 4: Simplify right side
    143,190.24x = 15,714,284,487.72
  5. Step 5: Solve for x
    x = 15,714,284,487.72/143,190.24
  6. Step 6: Final answer
    x = 109,744.10

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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.