Home / 132,143.58-198,028.98-102,422.34

Finding the Fourth Proportional to 132,143.58, 198,028.98 and 102,422.34

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Solution

The fourth proportional to 132,143.58, 198,028.98 and 102,422.34 is: 153,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,143.58 : 198,028.98 = 102,422.34 : x
  2. Step 2: Convert to fraction form
    132,143.58/198,028.98 = 102,422.34/x
  3. Step 3: Cross multiply
    132,143.58x = 198,028.98 × 102,422.34
  4. Step 4: Simplify right side
    132,143.58x = 20,282,591,519.41
  5. Step 5: Solve for x
    x = 20,282,591,519.41/132,143.58
  6. Step 6: Final answer
    x = 153,489.04

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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.