Home / 142,660.41-196,871.04-82,230.63

Finding the Fourth Proportional to 142,660.41, 196,871.04 and 82,230.63

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Solution

The fourth proportional to 142,660.41, 196,871.04 and 82,230.63 is: 113,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,660.41 : 196,871.04 = 82,230.63 : x
  2. Step 2: Convert to fraction form
    142,660.41/196,871.04 = 82,230.63/x
  3. Step 3: Cross multiply
    142,660.41x = 196,871.04 × 82,230.63
  4. Step 4: Simplify right side
    142,660.41x = 16,188,829,647.96
  5. Step 5: Solve for x
    x = 16,188,829,647.96/142,660.41
  6. Step 6: Final answer
    x = 113,478.08

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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.