Home / 102,836.84-141,922.05-57,519.02

Finding the Fourth Proportional to 102,836.84, 141,922.05 and 57,519.02

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Solution

The fourth proportional to 102,836.84, 141,922.05 and 57,519.02 is: 79,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,836.84 : 141,922.05 = 57,519.02 : x
  2. Step 2: Convert to fraction form
    102,836.84/141,922.05 = 57,519.02/x
  3. Step 3: Cross multiply
    102,836.84x = 141,922.05 × 57,519.02
  4. Step 4: Simplify right side
    102,836.84x = 8,163,217,232.39
  5. Step 5: Solve for x
    x = 8,163,217,232.39/102,836.84
  6. Step 6: Final answer
    x = 79,380.28

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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.