Home / 102,716.32-154,154.82-52,794.40

Finding the Fourth Proportional to 102,716.32, 154,154.82 and 52,794.40

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Solution

The fourth proportional to 102,716.32, 154,154.82 and 52,794.40 is: 79,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,716.32 : 154,154.82 = 52,794.40 : x
  2. Step 2: Convert to fraction form
    102,716.32/154,154.82 = 52,794.40/x
  3. Step 3: Cross multiply
    102,716.32x = 154,154.82 × 52,794.40
  4. Step 4: Simplify right side
    102,716.32x = 8,138,511,229.01
  5. Step 5: Solve for x
    x = 8,138,511,229.01/102,716.32
  6. Step 6: Final answer
    x = 79,232.89

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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.