Home / 170,752.20-256,140.68-65,571.18

Finding the Fourth Proportional to 170,752.20, 256,140.68 and 65,571.18

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Solution

The fourth proportional to 170,752.20, 256,140.68 and 65,571.18 is: 98,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,752.20 : 256,140.68 = 65,571.18 : x
  2. Step 2: Convert to fraction form
    170,752.20/256,140.68 = 65,571.18/x
  3. Step 3: Cross multiply
    170,752.20x = 256,140.68 × 65,571.18
  4. Step 4: Simplify right side
    170,752.20x = 16,795,446,633.60
  5. Step 5: Solve for x
    x = 16,795,446,633.60/170,752.20
  6. Step 6: Final answer
    x = 98,361.52

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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.