Home / 54,106.20-81,150.12-14,660.28

Finding the Fourth Proportional to 54,106.20, 81,150.12 and 14,660.28

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Solution

The fourth proportional to 54,106.20, 81,150.12 and 14,660.28 is: 21,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.20 : 81,150.12 = 14,660.28 : x
  2. Step 2: Convert to fraction form
    54,106.20/81,150.12 = 14,660.28/x
  3. Step 3: Cross multiply
    54,106.20x = 81,150.12 × 14,660.28
  4. Step 4: Simplify right side
    54,106.20x = 1,189,683,481.23
  5. Step 5: Solve for x
    x = 1,189,683,481.23/54,106.20
  6. Step 6: Final answer
    x = 21,987.93

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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.