Home / 136,917.54-205,288.43-57,010.91

Finding the Fourth Proportional to 136,917.54, 205,288.43 and 57,010.91

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Solution

The fourth proportional to 136,917.54, 205,288.43 and 57,010.91 is: 85,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,917.54 : 205,288.43 = 57,010.91 : x
  2. Step 2: Convert to fraction form
    136,917.54/205,288.43 = 57,010.91/x
  3. Step 3: Cross multiply
    136,917.54x = 205,288.43 × 57,010.91
  4. Step 4: Simplify right side
    136,917.54x = 11,703,678,895.27
  5. Step 5: Solve for x
    x = 11,703,678,895.27/136,917.54
  6. Step 6: Final answer
    x = 85,479.76

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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.