Home / 132,387.48-198,584.58-38,896.20

Finding the Fourth Proportional to 132,387.48, 198,584.58 and 38,896.20

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Solution

The fourth proportional to 132,387.48, 198,584.58 and 38,896.20 is: 58,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387.48 : 198,584.58 = 38,896.20 : x
  2. Step 2: Convert to fraction form
    132,387.48/198,584.58 = 38,896.20/x
  3. Step 3: Cross multiply
    132,387.48x = 198,584.58 × 38,896.20
  4. Step 4: Simplify right side
    132,387.48x = 7,724,185,540.60
  5. Step 5: Solve for x
    x = 7,724,185,540.60/132,387.48
  6. Step 6: Final answer
    x = 58,345.29

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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.