Home / 202,377.72-279,281.64-111,733.86

Finding the Fourth Proportional to 202,377.72, 279,281.64 and 111,733.86

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Solution

The fourth proportional to 202,377.72, 279,281.64 and 111,733.86 is: 154,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377.72 : 279,281.64 = 111,733.86 : x
  2. Step 2: Convert to fraction form
    202,377.72/279,281.64 = 111,733.86/x
  3. Step 3: Cross multiply
    202,377.72x = 279,281.64 × 111,733.86
  4. Step 4: Simplify right side
    202,377.72x = 31,205,215,664.33
  5. Step 5: Solve for x
    x = 31,205,215,664.33/202,377.72
  6. Step 6: Final answer
    x = 154,192.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.