Home / 117,118.11-175,676.58-28,371.62

Finding the Fourth Proportional to 117,118.11, 175,676.58 and 28,371.62

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Solution

The fourth proportional to 117,118.11, 175,676.58 and 28,371.62 is: 42,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,118.11 : 175,676.58 = 28,371.62 : x
  2. Step 2: Convert to fraction form
    117,118.11/175,676.58 = 28,371.62/x
  3. Step 3: Cross multiply
    117,118.11x = 175,676.58 × 28,371.62
  4. Step 4: Simplify right side
    117,118.11x = 4,984,229,609.85
  5. Step 5: Solve for x
    x = 4,984,229,609.85/117,118.11
  6. Step 6: Final answer
    x = 42,557.29

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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.