Home / 170,276.58-255,327.42-91,457.10

Finding the Fourth Proportional to 170,276.58, 255,327.42 and 91,457.10

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Solution

The fourth proportional to 170,276.58, 255,327.42 and 91,457.10 is: 137,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,276.58 : 255,327.42 = 91,457.10 : x
  2. Step 2: Convert to fraction form
    170,276.58/255,327.42 = 91,457.10/x
  3. Step 3: Cross multiply
    170,276.58x = 255,327.42 × 91,457.10
  4. Step 4: Simplify right side
    170,276.58x = 23,351,505,383.68
  5. Step 5: Solve for x
    x = 23,351,505,383.68/170,276.58
  6. Step 6: Final answer
    x = 137,138.68

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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.