Home / 137,838.33-206,838.74-57,890.33

Finding the Fourth Proportional to 137,838.33, 206,838.74 and 57,890.33

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Solution

The fourth proportional to 137,838.33, 206,838.74 and 57,890.33 is: 86,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,838.33 : 206,838.74 = 57,890.33 : x
  2. Step 2: Convert to fraction form
    137,838.33/206,838.74 = 57,890.33/x
  3. Step 3: Cross multiply
    137,838.33x = 206,838.74 × 57,890.33
  4. Step 4: Simplify right side
    137,838.33x = 11,973,962,025.92
  5. Step 5: Solve for x
    x = 11,973,962,025.92/137,838.33
  6. Step 6: Final answer
    x = 86,869.61

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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.