Home / 170,724.60-256,086.90-161,539.20

Finding the Fourth Proportional to 170,724.60, 256,086.90 and 161,539.20

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Solution

The fourth proportional to 170,724.60, 256,086.90 and 161,539.20 is: 242,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,724.60 : 256,086.90 = 161,539.20 : x
  2. Step 2: Convert to fraction form
    170,724.60/256,086.90 = 161,539.20/x
  3. Step 3: Cross multiply
    170,724.60x = 256,086.90 × 161,539.20
  4. Step 4: Simplify right side
    170,724.60x = 41,368,072,956.48
  5. Step 5: Solve for x
    x = 41,368,072,956.48/170,724.60
  6. Step 6: Final answer
    x = 242,308.80

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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.