Home / 100,837.60-151,221.11-29,741.36

Finding the Fourth Proportional to 100,837.60, 151,221.11 and 29,741.36

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Solution

The fourth proportional to 100,837.60, 151,221.11 and 29,741.36 is: 44,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,837.60 : 151,221.11 = 29,741.36 : x
  2. Step 2: Convert to fraction form
    100,837.60/151,221.11 = 29,741.36/x
  3. Step 3: Cross multiply
    100,837.60x = 151,221.11 × 29,741.36
  4. Step 4: Simplify right side
    100,837.60x = 4,497,521,472.11
  5. Step 5: Solve for x
    x = 4,497,521,472.11/100,837.60
  6. Step 6: Final answer
    x = 44,601.63

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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.