Home / 260,114.40-390,169.56-82,635.24

Finding the Fourth Proportional to 260,114.40, 390,169.56 and 82,635.24

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Solution

The fourth proportional to 260,114.40, 390,169.56 and 82,635.24 is: 123,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,114.40 : 390,169.56 = 82,635.24 : x
  2. Step 2: Convert to fraction form
    260,114.40/390,169.56 = 82,635.24/x
  3. Step 3: Cross multiply
    260,114.40x = 390,169.56 × 82,635.24
  4. Step 4: Simplify right side
    260,114.40x = 32,241,755,231.29
  5. Step 5: Solve for x
    x = 32,241,755,231.29/260,114.40
  6. Step 6: Final answer
    x = 123,952.21

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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.