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Finding the Fourth Proportional to 169,847, 234,628.68 and 136,079.72

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Solution

The fourth proportional to 169,847, 234,628.68 and 136,079.72 is: 187,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,847 : 234,628.68 = 136,079.72 : x
  2. Step 2: Convert to fraction form
    169,847/234,628.68 = 136,079.72/x
  3. Step 3: Cross multiply
    169,847x = 234,628.68 × 136,079.72
  4. Step 4: Simplify right side
    169,847x = 31,928,205,078.37
  5. Step 5: Solve for x
    x = 31,928,205,078.37/169,847
  6. Step 6: Final answer
    x = 187,982.15

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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.