Home / 84,141.99-126,176.20-31,514.60

Finding the Fourth Proportional to 84,141.99, 126,176.20 and 31,514.60

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Solution

The fourth proportional to 84,141.99, 126,176.20 and 31,514.60 is: 47,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.99 : 126,176.20 = 31,514.60 : x
  2. Step 2: Convert to fraction form
    84,141.99/126,176.20 = 31,514.60/x
  3. Step 3: Cross multiply
    84,141.99x = 126,176.20 × 31,514.60
  4. Step 4: Simplify right side
    84,141.99x = 3,976,392,709.17
  5. Step 5: Solve for x
    x = 3,976,392,709.17/84,141.99
  6. Step 6: Final answer
    x = 47,258.13

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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.