Home / 68,148.09-102,188.27-43,169.21

Finding the Fourth Proportional to 68,148.09, 102,188.27 and 43,169.21

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Solution

The fourth proportional to 68,148.09, 102,188.27 and 43,169.21 is: 64,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,148.09 : 102,188.27 = 43,169.21 : x
  2. Step 2: Convert to fraction form
    68,148.09/102,188.27 = 43,169.21/x
  3. Step 3: Cross multiply
    68,148.09x = 102,188.27 × 43,169.21
  4. Step 4: Simplify right side
    68,148.09x = 4,411,386,624.53
  5. Step 5: Solve for x
    x = 4,411,386,624.53/68,148.09
  6. Step 6: Final answer
    x = 64,732.36

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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.