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Finding the Fourth Proportional to 104,955, 157,448.28 and 37,481.79

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Solution

The fourth proportional to 104,955, 157,448.28 and 37,481.79 is: 56,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,955 : 157,448.28 = 37,481.79 : x
  2. Step 2: Convert to fraction form
    104,955/157,448.28 = 37,481.79/x
  3. Step 3: Cross multiply
    104,955x = 157,448.28 × 37,481.79
  4. Step 4: Simplify right side
    104,955x = 5,901,443,366.82
  5. Step 5: Solve for x
    x = 5,901,443,366.82/104,955
  6. Step 6: Final answer
    x = 56,228.32

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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.