Home / 71,945.19-107,914.14-25,194.42

Finding the Fourth Proportional to 71,945.19, 107,914.14 and 25,194.42

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Solution

The fourth proportional to 71,945.19, 107,914.14 and 25,194.42 is: 37,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,945.19 : 107,914.14 = 25,194.42 : x
  2. Step 2: Convert to fraction form
    71,945.19/107,914.14 = 25,194.42/x
  3. Step 3: Cross multiply
    71,945.19x = 107,914.14 × 25,194.42
  4. Step 4: Simplify right side
    71,945.19x = 2,718,834,167.10
  5. Step 5: Solve for x
    x = 2,718,834,167.10/71,945.19
  6. Step 6: Final answer
    x = 37,790.35

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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.