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Finding the Fourth Proportional to 169,872.01, 254,808.63 and 63,279.45

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Solution

The fourth proportional to 169,872.01, 254,808.63 and 63,279.45 is: 94,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.01 : 254,808.63 = 63,279.45 : x
  2. Step 2: Convert to fraction form
    169,872.01/254,808.63 = 63,279.45/x
  3. Step 3: Cross multiply
    169,872.01x = 254,808.63 × 63,279.45
  4. Step 4: Simplify right side
    169,872.01x = 16,124,149,961.65
  5. Step 5: Solve for x
    x = 16,124,149,961.65/169,872.01
  6. Step 6: Final answer
    x = 94,919.41

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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.