Home / 137,282.06-205,926.75-43,787.81

Finding the Fourth Proportional to 137,282.06, 205,926.75 and 43,787.81

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Solution

The fourth proportional to 137,282.06, 205,926.75 and 43,787.81 is: 65,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,282.06 : 205,926.75 = 43,787.81 : x
  2. Step 2: Convert to fraction form
    137,282.06/205,926.75 = 43,787.81/x
  3. Step 3: Cross multiply
    137,282.06x = 205,926.75 × 43,787.81
  4. Step 4: Simplify right side
    137,282.06x = 9,017,081,917.73
  5. Step 5: Solve for x
    x = 9,017,081,917.73/137,282.06
  6. Step 6: Final answer
    x = 65,682.88

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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.