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Finding the Fourth Proportional to 100,998.26, 151,203.96 and 58,749.46

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Solution

The fourth proportional to 100,998.26, 151,203.96 and 58,749.46 is: 87,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998.26 : 151,203.96 = 58,749.46 : x
  2. Step 2: Convert to fraction form
    100,998.26/151,203.96 = 58,749.46/x
  3. Step 3: Cross multiply
    100,998.26x = 151,203.96 × 58,749.46
  4. Step 4: Simplify right side
    100,998.26x = 8,883,150,999.86
  5. Step 5: Solve for x
    x = 8,883,150,999.86/100,998.26
  6. Step 6: Final answer
    x = 87,953.51

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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.