Home / 132,455.20-198,614.40-38,948.80

Finding the Fourth Proportional to 132,455.20, 198,614.40 and 38,948.80

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Solution

The fourth proportional to 132,455.20, 198,614.40 and 38,948.80 is: 58,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,455.20 : 198,614.40 = 38,948.80 : x
  2. Step 2: Convert to fraction form
    132,455.20/198,614.40 = 38,948.80/x
  3. Step 3: Cross multiply
    132,455.20x = 198,614.40 × 38,948.80
  4. Step 4: Simplify right side
    132,455.20x = 7,735,792,542.72
  5. Step 5: Solve for x
    x = 7,735,792,542.72/132,455.20
  6. Step 6: Final answer
    x = 58,403.09

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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.