Home / 260,162.20-390,243.30-166,850.20

Finding the Fourth Proportional to 260,162.20, 390,243.30 and 166,850.20

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Solution

The fourth proportional to 260,162.20, 390,243.30 and 166,850.20 is: 250,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,162.20 : 390,243.30 = 166,850.20 : x
  2. Step 2: Convert to fraction form
    260,162.20/390,243.30 = 166,850.20/x
  3. Step 3: Cross multiply
    260,162.20x = 390,243.30 × 166,850.20
  4. Step 4: Simplify right side
    260,162.20x = 65,112,172,653.66
  5. Step 5: Solve for x
    x = 65,112,172,653.66/260,162.20
  6. Step 6: Final answer
    x = 250,275.30

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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.