Home / 97,286.29-134,245.25-71,806.57

Finding the Fourth Proportional to 97,286.29, 134,245.25 and 71,806.57

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Solution

The fourth proportional to 97,286.29, 134,245.25 and 71,806.57 is: 99,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,286.29 : 134,245.25 = 71,806.57 : x
  2. Step 2: Convert to fraction form
    97,286.29/134,245.25 = 71,806.57/x
  3. Step 3: Cross multiply
    97,286.29x = 134,245.25 × 71,806.57
  4. Step 4: Simplify right side
    97,286.29x = 9,639,690,582.26
  5. Step 5: Solve for x
    x = 9,639,690,582.26/97,286.29
  6. Step 6: Final answer
    x = 99,085.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.