Home / 106,261.20-159,629.40-88,765.20

Finding the Fourth Proportional to 106,261.20, 159,629.40 and 88,765.20

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Solution

The fourth proportional to 106,261.20, 159,629.40 and 88,765.20 is: 133,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,261.20 : 159,629.40 = 88,765.20 : x
  2. Step 2: Convert to fraction form
    106,261.20/159,629.40 = 88,765.20/x
  3. Step 3: Cross multiply
    106,261.20x = 159,629.40 × 88,765.20
  4. Step 4: Simplify right side
    106,261.20x = 14,169,535,616.88
  5. Step 5: Solve for x
    x = 14,169,535,616.88/106,261.20
  6. Step 6: Final answer
    x = 133,346.28

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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.