Home / 146,728.60-219,801.30-84,326.20

Finding the Fourth Proportional to 146,728.60, 219,801.30 and 84,326.20

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Solution

The fourth proportional to 146,728.60, 219,801.30 and 84,326.20 is: 126,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.60 : 219,801.30 = 84,326.20 : x
  2. Step 2: Convert to fraction form
    146,728.60/219,801.30 = 84,326.20/x
  3. Step 3: Cross multiply
    146,728.60x = 219,801.30 × 84,326.20
  4. Step 4: Simplify right side
    146,728.60x = 18,535,008,384.06
  5. Step 5: Solve for x
    x = 18,535,008,384.06/146,728.60
  6. Step 6: Final answer
    x = 126,321.71

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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.