Home / 132,482.21-198,675.24-72,555.21

Finding the Fourth Proportional to 132,482.21, 198,675.24 and 72,555.21

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Solution

The fourth proportional to 132,482.21, 198,675.24 and 72,555.21 is: 108,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,482.21 : 198,675.24 = 72,555.21 : x
  2. Step 2: Convert to fraction form
    132,482.21/198,675.24 = 72,555.21/x
  3. Step 3: Cross multiply
    132,482.21x = 198,675.24 × 72,555.21
  4. Step 4: Simplify right side
    132,482.21x = 14,414,923,487.92
  5. Step 5: Solve for x
    x = 14,414,923,487.92/132,482.21
  6. Step 6: Final answer
    x = 108,806.49

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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.