Home / 156,004.26-215,286.03-84,384.06

Finding the Fourth Proportional to 156,004.26, 215,286.03 and 84,384.06

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Solution

The fourth proportional to 156,004.26, 215,286.03 and 84,384.06 is: 116,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,004.26 : 215,286.03 = 84,384.06 : x
  2. Step 2: Convert to fraction form
    156,004.26/215,286.03 = 84,384.06/x
  3. Step 3: Cross multiply
    156,004.26x = 215,286.03 × 84,384.06
  4. Step 4: Simplify right side
    156,004.26x = 18,166,709,272.68
  5. Step 5: Solve for x
    x = 18,166,709,272.68/156,004.26
  6. Step 6: Final answer
    x = 116,450.08

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1.5x scale

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.