Home / 132,785.20-183,240.12-72,357.04

Finding the Fourth Proportional to 132,785.20, 183,240.12 and 72,357.04

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Solution

The fourth proportional to 132,785.20, 183,240.12 and 72,357.04 is: 99,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,785.20 : 183,240.12 = 72,357.04 : x
  2. Step 2: Convert to fraction form
    132,785.20/183,240.12 = 72,357.04/x
  3. Step 3: Cross multiply
    132,785.20x = 183,240.12 × 72,357.04
  4. Step 4: Simplify right side
    132,785.20x = 13,258,712,692.44
  5. Step 5: Solve for x
    x = 13,258,712,692.44/132,785.20
  6. Step 6: Final answer
    x = 99,850.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.