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Finding the Fourth Proportional to 130,040.88, 179,471.01 and 73,455.90

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Solution

The fourth proportional to 130,040.88, 179,471.01 and 73,455.90 is: 101,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.88 : 179,471.01 = 73,455.90 : x
  2. Step 2: Convert to fraction form
    130,040.88/179,471.01 = 73,455.90/x
  3. Step 3: Cross multiply
    130,040.88x = 179,471.01 × 73,455.90
  4. Step 4: Simplify right side
    130,040.88x = 13,183,204,563.46
  5. Step 5: Solve for x
    x = 13,183,204,563.46/130,040.88
  6. Step 6: Final answer
    x = 101,377.39

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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.