Home / 216,199.22-324,498.18-109,657.95

Finding the Fourth Proportional to 216,199.22, 324,498.18 and 109,657.95

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Solution

The fourth proportional to 216,199.22, 324,498.18 and 109,657.95 is: 164,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,199.22 : 324,498.18 = 109,657.95 : x
  2. Step 2: Convert to fraction form
    216,199.22/324,498.18 = 109,657.95/x
  3. Step 3: Cross multiply
    216,199.22x = 324,498.18 × 109,657.95
  4. Step 4: Simplify right side
    216,199.22x = 35,583,805,197.53
  5. Step 5: Solve for x
    x = 35,583,805,197.53/216,199.22
  6. Step 6: Final answer
    x = 164,588.04

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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.