Home / 136,768.65-205,132.46-43,262.25

Finding the Fourth Proportional to 136,768.65, 205,132.46 and 43,262.25

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Solution

The fourth proportional to 136,768.65, 205,132.46 and 43,262.25 is: 64,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,768.65 : 205,132.46 = 43,262.25 : x
  2. Step 2: Convert to fraction form
    136,768.65/205,132.46 = 43,262.25/x
  3. Step 3: Cross multiply
    136,768.65x = 205,132.46 × 43,262.25
  4. Step 4: Simplify right side
    136,768.65x = 8,874,491,551.32
  5. Step 5: Solve for x
    x = 8,874,491,551.32/136,768.65
  6. Step 6: Final answer
    x = 64,886.88

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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.