Home / 102,336.20-153,504.31-31,255.97

Finding the Fourth Proportional to 102,336.20, 153,504.31 and 31,255.97

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Solution

The fourth proportional to 102,336.20, 153,504.31 and 31,255.97 is: 46,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,336.20 : 153,504.31 = 31,255.97 : x
  2. Step 2: Convert to fraction form
    102,336.20/153,504.31 = 31,255.97/x
  3. Step 3: Cross multiply
    102,336.20x = 153,504.31 × 31,255.97
  4. Step 4: Simplify right side
    102,336.20x = 4,797,925,646.33
  5. Step 5: Solve for x
    x = 4,797,925,646.33/102,336.20
  6. Step 6: Final answer
    x = 46,883.95

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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.