Home / 259,934.20-389,901.28-93,722.20

Finding the Fourth Proportional to 259,934.20, 389,901.28 and 93,722.20

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Solution

The fourth proportional to 259,934.20, 389,901.28 and 93,722.20 is: 140,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,934.20 : 389,901.28 = 93,722.20 : x
  2. Step 2: Convert to fraction form
    259,934.20/389,901.28 = 93,722.20/x
  3. Step 3: Cross multiply
    259,934.20x = 389,901.28 × 93,722.20
  4. Step 4: Simplify right side
    259,934.20x = 36,542,405,744.42
  5. Step 5: Solve for x
    x = 36,542,405,744.42/259,934.20
  6. Step 6: Final answer
    x = 140,583.29

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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.