Home / 137,811.78-206,717.60-37,972.94

Finding the Fourth Proportional to 137,811.78, 206,717.60 and 37,972.94

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Solution

The fourth proportional to 137,811.78, 206,717.60 and 37,972.94 is: 56,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,811.78 : 206,717.60 = 37,972.94 : x
  2. Step 2: Convert to fraction form
    137,811.78/206,717.60 = 37,972.94/x
  3. Step 3: Cross multiply
    137,811.78x = 206,717.60 × 37,972.94
  4. Step 4: Simplify right side
    137,811.78x = 7,849,674,083.09
  5. Step 5: Solve for x
    x = 7,849,674,083.09/137,811.78
  6. Step 6: Final answer
    x = 56,959.38

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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.