Home / 156,258.27-215,494.68-102,522.87

Finding the Fourth Proportional to 156,258.27, 215,494.68 and 102,522.87

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Solution

The fourth proportional to 156,258.27, 215,494.68 and 102,522.87 is: 141,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258.27 : 215,494.68 = 102,522.87 : x
  2. Step 2: Convert to fraction form
    156,258.27/215,494.68 = 102,522.87/x
  3. Step 3: Cross multiply
    156,258.27x = 215,494.68 × 102,522.87
  4. Step 4: Simplify right side
    156,258.27x = 22,093,133,063.33
  5. Step 5: Solve for x
    x = 22,093,133,063.33/156,258.27
  6. Step 6: Final answer
    x = 141,388.57

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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.