Home / 100,096.31-138,126.94-54,765.27

Finding the Fourth Proportional to 100,096.31, 138,126.94 and 54,765.27

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Solution

The fourth proportional to 100,096.31, 138,126.94 and 54,765.27 is: 75,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,096.31 : 138,126.94 = 54,765.27 : x
  2. Step 2: Convert to fraction form
    100,096.31/138,126.94 = 54,765.27/x
  3. Step 3: Cross multiply
    100,096.31x = 138,126.94 × 54,765.27
  4. Step 4: Simplify right side
    100,096.31x = 7,564,559,026.46
  5. Step 5: Solve for x
    x = 7,564,559,026.46/100,096.31
  6. Step 6: Final answer
    x = 75,572.80

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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.