Home / 132,119.18-198,178.24-47,859.62

Finding the Fourth Proportional to 132,119.18, 198,178.24 and 47,859.62

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Solution

The fourth proportional to 132,119.18, 198,178.24 and 47,859.62 is: 71,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119.18 : 198,178.24 = 47,859.62 : x
  2. Step 2: Convert to fraction form
    132,119.18/198,178.24 = 47,859.62/x
  3. Step 3: Cross multiply
    132,119.18x = 198,178.24 × 47,859.62
  4. Step 4: Simplify right side
    132,119.18x = 9,484,735,634.47
  5. Step 5: Solve for x
    x = 9,484,735,634.47/132,119.18
  6. Step 6: Final answer
    x = 71,789.24

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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.