Home / 110,948.20-166,422.30-75,518.80

Finding the Fourth Proportional to 110,948.20, 166,422.30 and 75,518.80

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Solution

The fourth proportional to 110,948.20, 166,422.30 and 75,518.80 is: 113,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,948.20 : 166,422.30 = 75,518.80 : x
  2. Step 2: Convert to fraction form
    110,948.20/166,422.30 = 75,518.80/x
  3. Step 3: Cross multiply
    110,948.20x = 166,422.30 × 75,518.80
  4. Step 4: Simplify right side
    110,948.20x = 12,568,012,389.24
  5. Step 5: Solve for x
    x = 12,568,012,389.24/110,948.20
  6. Step 6: Final answer
    x = 113,278.20

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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.