Home / 109,222.12-163,872.62-38,155.25

Finding the Fourth Proportional to 109,222.12, 163,872.62 and 38,155.25

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Solution

The fourth proportional to 109,222.12, 163,872.62 and 38,155.25 is: 57,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,222.12 : 163,872.62 = 38,155.25 : x
  2. Step 2: Convert to fraction form
    109,222.12/163,872.62 = 38,155.25/x
  3. Step 3: Cross multiply
    109,222.12x = 163,872.62 × 38,155.25
  4. Step 4: Simplify right side
    109,222.12x = 6,252,601,146.24
  5. Step 5: Solve for x
    x = 6,252,601,146.24/109,222.12
  6. Step 6: Final answer
    x = 57,246.66

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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.