Home / 179,680.40-269,520.60-123,693.20

Finding the Fourth Proportional to 179,680.40, 269,520.60 and 123,693.20

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Solution

The fourth proportional to 179,680.40, 269,520.60 and 123,693.20 is: 185,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,680.40 : 269,520.60 = 123,693.20 : x
  2. Step 2: Convert to fraction form
    179,680.40/269,520.60 = 123,693.20/x
  3. Step 3: Cross multiply
    179,680.40x = 269,520.60 × 123,693.20
  4. Step 4: Simplify right side
    179,680.40x = 33,337,865,479.92
  5. Step 5: Solve for x
    x = 33,337,865,479.92/179,680.40
  6. Step 6: Final answer
    x = 185,539.80

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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.