Home / 236,214.78-354,249.50-67,689.93

Finding the Fourth Proportional to 236,214.78, 354,249.50 and 67,689.93

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Solution

The fourth proportional to 236,214.78, 354,249.50 and 67,689.93 is: 101,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,214.78 : 354,249.50 = 67,689.93 : x
  2. Step 2: Convert to fraction form
    236,214.78/354,249.50 = 67,689.93/x
  3. Step 3: Cross multiply
    236,214.78x = 354,249.50 × 67,689.93
  4. Step 4: Simplify right side
    236,214.78x = 23,979,123,235.62
  5. Step 5: Solve for x
    x = 23,979,123,235.62/236,214.78
  6. Step 6: Final answer
    x = 101,514.07

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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.