Home / 132,059.45-198,087.21-53,171.66

Finding the Fourth Proportional to 132,059.45, 198,087.21 and 53,171.66

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Solution

The fourth proportional to 132,059.45, 198,087.21 and 53,171.66 is: 79,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,059.45 : 198,087.21 = 53,171.66 : x
  2. Step 2: Convert to fraction form
    132,059.45/198,087.21 = 53,171.66/x
  3. Step 3: Cross multiply
    132,059.45x = 198,087.21 × 53,171.66
  4. Step 4: Simplify right side
    132,059.45x = 10,532,624,790.03
  5. Step 5: Solve for x
    x = 10,532,624,790.03/132,059.45
  6. Step 6: Final answer
    x = 79,756.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.