Home / 74,344.30-111,515.50-18,184.90

Finding the Fourth Proportional to 74,344.30, 111,515.50 and 18,184.90

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Solution

The fourth proportional to 74,344.30, 111,515.50 and 18,184.90 is: 27,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.30 : 111,515.50 = 18,184.90 : x
  2. Step 2: Convert to fraction form
    74,344.30/111,515.50 = 18,184.90/x
  3. Step 3: Cross multiply
    74,344.30x = 111,515.50 × 18,184.90
  4. Step 4: Simplify right side
    74,344.30x = 2,027,898,215.95
  5. Step 5: Solve for x
    x = 2,027,898,215.95/74,344.30
  6. Step 6: Final answer
    x = 27,277.12

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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.