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Finding the Fourth Proportional to 169,846.06, 254,769.51 and 45,187.06

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Solution

The fourth proportional to 169,846.06, 254,769.51 and 45,187.06 is: 67,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,846.06 : 254,769.51 = 45,187.06 : x
  2. Step 2: Convert to fraction form
    169,846.06/254,769.51 = 45,187.06/x
  3. Step 3: Cross multiply
    169,846.06x = 254,769.51 × 45,187.06
  4. Step 4: Simplify right side
    169,846.06x = 11,512,285,134.54
  5. Step 5: Solve for x
    x = 11,512,285,134.54/169,846.06
  6. Step 6: Final answer
    x = 67,780.70

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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.