Home / 132,629.88-198,950.28-39,135.64

Finding the Fourth Proportional to 132,629.88, 198,950.28 and 39,135.64

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Solution

The fourth proportional to 132,629.88, 198,950.28 and 39,135.64 is: 58,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.88 : 198,950.28 = 39,135.64 : x
  2. Step 2: Convert to fraction form
    132,629.88/198,950.28 = 39,135.64/x
  3. Step 3: Cross multiply
    132,629.88x = 198,950.28 × 39,135.64
  4. Step 4: Simplify right side
    132,629.88x = 7,786,046,535.98
  5. Step 5: Solve for x
    x = 7,786,046,535.98/132,629.88
  6. Step 6: Final answer
    x = 58,705.07

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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.