Home / 218,303.20-327,554.16-105,922.72

Finding the Fourth Proportional to 218,303.20, 327,554.16 and 105,922.72

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Solution

The fourth proportional to 218,303.20, 327,554.16 and 105,922.72 is: 158,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,303.20 : 327,554.16 = 105,922.72 : x
  2. Step 2: Convert to fraction form
    218,303.20/327,554.16 = 105,922.72/x
  3. Step 3: Cross multiply
    218,303.20x = 327,554.16 × 105,922.72
  4. Step 4: Simplify right side
    218,303.20x = 34,695,427,574.52
  5. Step 5: Solve for x
    x = 34,695,427,574.52/218,303.20
  6. Step 6: Final answer
    x = 158,932.29

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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.