Home / 228,196.38-342,148.77-109,631.82

Finding the Fourth Proportional to 228,196.38, 342,148.77 and 109,631.82

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Solution

The fourth proportional to 228,196.38, 342,148.77 and 109,631.82 is: 164,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,196.38 : 342,148.77 = 109,631.82 : x
  2. Step 2: Convert to fraction form
    228,196.38/342,148.77 = 109,631.82/x
  3. Step 3: Cross multiply
    228,196.38x = 342,148.77 × 109,631.82
  4. Step 4: Simplify right side
    228,196.38x = 37,510,392,365.86
  5. Step 5: Solve for x
    x = 37,510,392,365.86/228,196.38
  6. Step 6: Final answer
    x = 164,377.68

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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.