Home / 215,884.06-323,687.53-89,611.47

Finding the Fourth Proportional to 215,884.06, 323,687.53 and 89,611.47

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Solution

The fourth proportional to 215,884.06, 323,687.53 and 89,611.47 is: 134,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,884.06 : 323,687.53 = 89,611.47 : x
  2. Step 2: Convert to fraction form
    215,884.06/323,687.53 = 89,611.47/x
  3. Step 3: Cross multiply
    215,884.06x = 323,687.53 × 89,611.47
  4. Step 4: Simplify right side
    215,884.06x = 29,006,113,512.57
  5. Step 5: Solve for x
    x = 29,006,113,512.57/215,884.06
  6. Step 6: Final answer
    x = 134,359.68

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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.