Home / 115,938.20-173,907.30-106,218.20

Finding the Fourth Proportional to 115,938.20, 173,907.30 and 106,218.20

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Solution

The fourth proportional to 115,938.20, 173,907.30 and 106,218.20 is: 159,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,938.20 : 173,907.30 = 106,218.20 : x
  2. Step 2: Convert to fraction form
    115,938.20/173,907.30 = 106,218.20/x
  3. Step 3: Cross multiply
    115,938.20x = 173,907.30 × 106,218.20
  4. Step 4: Simplify right side
    115,938.20x = 18,472,120,372.86
  5. Step 5: Solve for x
    x = 18,472,120,372.86/115,938.20
  6. Step 6: Final answer
    x = 159,327.30

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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.