Home / 163,686.20-225,810.66-106,321.64

Finding the Fourth Proportional to 163,686.20, 225,810.66 and 106,321.64

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Solution

The fourth proportional to 163,686.20, 225,810.66 and 106,321.64 is: 146,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686.20 : 225,810.66 = 106,321.64 : x
  2. Step 2: Convert to fraction form
    163,686.20/225,810.66 = 106,321.64/x
  3. Step 3: Cross multiply
    163,686.20x = 225,810.66 × 106,321.64
  4. Step 4: Simplify right side
    163,686.20x = 24,008,559,700.68
  5. Step 5: Solve for x
    x = 24,008,559,700.68/163,686.20
  6. Step 6: Final answer
    x = 146,674.31

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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.