Home / 143,052.48-197,409.96-79,392.96

Finding the Fourth Proportional to 143,052.48, 197,409.96 and 79,392.96

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Solution

The fourth proportional to 143,052.48, 197,409.96 and 79,392.96 is: 109,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,052.48 : 197,409.96 = 79,392.96 : x
  2. Step 2: Convert to fraction form
    143,052.48/197,409.96 = 79,392.96/x
  3. Step 3: Cross multiply
    143,052.48x = 197,409.96 × 79,392.96
  4. Step 4: Simplify right side
    143,052.48x = 15,672,961,057.88
  5. Step 5: Solve for x
    x = 15,672,961,057.88/143,052.48
  6. Step 6: Final answer
    x = 109,560.92

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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.