Home / 170,830.70-256,246.05-108,776.30

Finding the Fourth Proportional to 170,830.70, 256,246.05 and 108,776.30

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Solution

The fourth proportional to 170,830.70, 256,246.05 and 108,776.30 is: 163,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.70 : 256,246.05 = 108,776.30 : x
  2. Step 2: Convert to fraction form
    170,830.70/256,246.05 = 108,776.30/x
  3. Step 3: Cross multiply
    170,830.70x = 256,246.05 × 108,776.30
  4. Step 4: Simplify right side
    170,830.70x = 27,873,497,208.62
  5. Step 5: Solve for x
    x = 27,873,497,208.62/170,830.70
  6. Step 6: Final answer
    x = 163,164.45

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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.