Home / 146,668.32-219,995.19-80,238.20

Finding the Fourth Proportional to 146,668.32, 219,995.19 and 80,238.20

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Solution

The fourth proportional to 146,668.32, 219,995.19 and 80,238.20 is: 120,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668.32 : 219,995.19 = 80,238.20 : x
  2. Step 2: Convert to fraction form
    146,668.32/219,995.19 = 80,238.20/x
  3. Step 3: Cross multiply
    146,668.32x = 219,995.19 × 80,238.20
  4. Step 4: Simplify right side
    146,668.32x = 17,652,016,954.28
  5. Step 5: Solve for x
    x = 17,652,016,954.28/146,668.32
  6. Step 6: Final answer
    x = 120,353.30

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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.