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Finding the Fourth Proportional to 177,649.92, 245,263.68 and 110,672.64

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Solution

The fourth proportional to 177,649.92, 245,263.68 and 110,672.64 is: 152,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,649.92 : 245,263.68 = 110,672.64 : x
  2. Step 2: Convert to fraction form
    177,649.92/245,263.68 = 110,672.64/x
  3. Step 3: Cross multiply
    177,649.92x = 245,263.68 × 110,672.64
  4. Step 4: Simplify right side
    177,649.92x = 27,143,978,961.72
  5. Step 5: Solve for x
    x = 27,143,978,961.72/177,649.92
  6. Step 6: Final answer
    x = 152,794.77

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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.