Home / 146,000.25-201,480.62-78,932.25

Finding the Fourth Proportional to 146,000.25, 201,480.62 and 78,932.25

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Solution

The fourth proportional to 146,000.25, 201,480.62 and 78,932.25 is: 108,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,000.25 : 201,480.62 = 78,932.25 : x
  2. Step 2: Convert to fraction form
    146,000.25/201,480.62 = 78,932.25/x
  3. Step 3: Cross multiply
    146,000.25x = 201,480.62 × 78,932.25
  4. Step 4: Simplify right side
    146,000.25x = 15,903,318,273.33
  5. Step 5: Solve for x
    x = 15,903,318,273.33/146,000.25
  6. Step 6: Final answer
    x = 108,926.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.