Home / 136,249.63-204,407.27-42,755.38

Finding the Fourth Proportional to 136,249.63, 204,407.27 and 42,755.38

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Solution

The fourth proportional to 136,249.63, 204,407.27 and 42,755.38 is: 64,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.63 : 204,407.27 = 42,755.38 : x
  2. Step 2: Convert to fraction form
    136,249.63/204,407.27 = 42,755.38/x
  3. Step 3: Cross multiply
    136,249.63x = 204,407.27 × 42,755.38
  4. Step 4: Simplify right side
    136,249.63x = 8,739,510,503.61
  5. Step 5: Solve for x
    x = 8,739,510,503.61/136,249.63
  6. Step 6: Final answer
    x = 64,143.37

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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.