Home / 170,857.70-256,286.55-162,304.10

Finding the Fourth Proportional to 170,857.70, 256,286.55 and 162,304.10

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Solution

The fourth proportional to 170,857.70, 256,286.55 and 162,304.10 is: 243,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,857.70 : 256,286.55 = 162,304.10 : x
  2. Step 2: Convert to fraction form
    170,857.70/256,286.55 = 162,304.10/x
  3. Step 3: Cross multiply
    170,857.70x = 256,286.55 × 162,304.10
  4. Step 4: Simplify right side
    170,857.70x = 41,596,357,839.86
  5. Step 5: Solve for x
    x = 41,596,357,839.86/170,857.70
  6. Step 6: Final answer
    x = 243,456.15

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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.