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Finding the Fourth Proportional to 169,945.20, 254,917.80 and 51,610.80

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Solution

The fourth proportional to 169,945.20, 254,917.80 and 51,610.80 is: 77,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,945.20 : 254,917.80 = 51,610.80 : x
  2. Step 2: Convert to fraction form
    169,945.20/254,917.80 = 51,610.80/x
  3. Step 3: Cross multiply
    169,945.20x = 254,917.80 × 51,610.80
  4. Step 4: Simplify right side
    169,945.20x = 13,156,511,592.24
  5. Step 5: Solve for x
    x = 13,156,511,592.24/169,945.20
  6. Step 6: Final answer
    x = 77,416.20

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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.