Home / 123,827.55-185,577.30-109,721.40

Finding the Fourth Proportional to 123,827.55, 185,577.30 and 109,721.40

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Solution

The fourth proportional to 123,827.55, 185,577.30 and 109,721.40 is: 164,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,827.55 : 185,577.30 = 109,721.40 : x
  2. Step 2: Convert to fraction form
    123,827.55/185,577.30 = 109,721.40/x
  3. Step 3: Cross multiply
    123,827.55x = 185,577.30 × 109,721.40
  4. Step 4: Simplify right side
    123,827.55x = 20,361,801,164.22
  5. Step 5: Solve for x
    x = 20,361,801,164.22/123,827.55
  6. Step 6: Final answer
    x = 164,436.76

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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.