Home / 132,965.58-183,530.70-78,568.14

Finding the Fourth Proportional to 132,965.58, 183,530.70 and 78,568.14

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Solution

The fourth proportional to 132,965.58, 183,530.70 and 78,568.14 is: 108,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,965.58 : 183,530.70 = 78,568.14 : x
  2. Step 2: Convert to fraction form
    132,965.58/183,530.70 = 78,568.14/x
  3. Step 3: Cross multiply
    132,965.58x = 183,530.70 × 78,568.14
  4. Step 4: Simplify right side
    132,965.58x = 14,419,665,731.90
  5. Step 5: Solve for x
    x = 14,419,665,731.90/132,965.58
  6. Step 6: Final answer
    x = 108,446.60

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Why These Related Problems?

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