Home / 170,936.59-256,449.22-90,908.75

Finding the Fourth Proportional to 170,936.59, 256,449.22 and 90,908.75

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Solution

The fourth proportional to 170,936.59, 256,449.22 and 90,908.75 is: 136,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,936.59 : 256,449.22 = 90,908.75 : x
  2. Step 2: Convert to fraction form
    170,936.59/256,449.22 = 90,908.75/x
  3. Step 3: Cross multiply
    170,936.59x = 256,449.22 × 90,908.75
  4. Step 4: Simplify right side
    170,936.59x = 23,313,477,860.55
  5. Step 5: Solve for x
    x = 23,313,477,860.55/170,936.59
  6. Step 6: Final answer
    x = 136,386.70

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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.