Home / 170,828.70-256,243.05-108,774.30

Finding the Fourth Proportional to 170,828.70, 256,243.05 and 108,774.30

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Solution

The fourth proportional to 170,828.70, 256,243.05 and 108,774.30 is: 163,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,828.70 : 256,243.05 = 108,774.30 : x
  2. Step 2: Convert to fraction form
    170,828.70/256,243.05 = 108,774.30/x
  3. Step 3: Cross multiply
    170,828.70x = 256,243.05 × 108,774.30
  4. Step 4: Simplify right side
    170,828.70x = 27,872,658,393.62
  5. Step 5: Solve for x
    x = 27,872,658,393.62/170,828.70
  6. Step 6: Final answer
    x = 163,161.45

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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.