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Finding the Fourth Proportional to 104,898, 157,330.65 and 57,536.39

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Solution

The fourth proportional to 104,898, 157,330.65 and 57,536.39 is: 86,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,898 : 157,330.65 = 57,536.39 : x
  2. Step 2: Convert to fraction form
    104,898/157,330.65 = 57,536.39/x
  3. Step 3: Cross multiply
    104,898x = 157,330.65 × 57,536.39
  4. Step 4: Simplify right side
    104,898x = 9,052,236,850.70
  5. Step 5: Solve for x
    x = 9,052,236,850.70/104,898
  6. Step 6: Final answer
    x = 86,295.61

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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.