Home / 74,354.31-111,530.48-18,194.91

Finding the Fourth Proportional to 74,354.31, 111,530.48 and 18,194.91

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Solution

The fourth proportional to 74,354.31, 111,530.48 and 18,194.91 is: 27,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.31 : 111,530.48 = 18,194.91 : x
  2. Step 2: Convert to fraction form
    74,354.31/111,530.48 = 18,194.91/x
  3. Step 3: Cross multiply
    74,354.31x = 111,530.48 × 18,194.91
  4. Step 4: Simplify right side
    74,354.31x = 2,029,286,954.88
  5. Step 5: Solve for x
    x = 2,029,286,954.88/74,354.31
  6. Step 6: Final answer
    x = 27,292.12

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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.