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Finding the Fourth Proportional to 111,124, 153,320.82 and 63,359.92

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Solution

The fourth proportional to 111,124, 153,320.82 and 63,359.92 is: 87,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,124 : 153,320.82 = 63,359.92 : x
  2. Step 2: Convert to fraction form
    111,124/153,320.82 = 63,359.92/x
  3. Step 3: Cross multiply
    111,124x = 153,320.82 × 63,359.92
  4. Step 4: Simplify right side
    111,124x = 9,714,394,889.53
  5. Step 5: Solve for x
    x = 9,714,394,889.53/111,124
  6. Step 6: Final answer
    x = 87,419.41

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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.