Home / 100,499.84-138,714.24-60,237.44

Finding the Fourth Proportional to 100,499.84, 138,714.24 and 60,237.44

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Solution

The fourth proportional to 100,499.84, 138,714.24 and 60,237.44 is: 83,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,499.84 : 138,714.24 = 60,237.44 : x
  2. Step 2: Convert to fraction form
    100,499.84/138,714.24 = 60,237.44/x
  3. Step 3: Cross multiply
    100,499.84x = 138,714.24 × 60,237.44
  4. Step 4: Simplify right side
    100,499.84x = 8,355,790,709.15
  5. Step 5: Solve for x
    x = 8,355,790,709.15/100,499.84
  6. Step 6: Final answer
    x = 83,142.33

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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.