Home / 203,489.10-305,233.65-92,897.10

Finding the Fourth Proportional to 203,489.10, 305,233.65 and 92,897.10

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Solution

The fourth proportional to 203,489.10, 305,233.65 and 92,897.10 is: 139,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,489.10 : 305,233.65 = 92,897.10 : x
  2. Step 2: Convert to fraction form
    203,489.10/305,233.65 = 92,897.10/x
  3. Step 3: Cross multiply
    203,489.10x = 305,233.65 × 92,897.10
  4. Step 4: Simplify right side
    203,489.10x = 28,355,320,907.42
  5. Step 5: Solve for x
    x = 28,355,320,907.42/203,489.10
  6. Step 6: Final answer
    x = 139,345.65

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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.