Home / 103,165.65-142,375.46-57,846.62

Finding the Fourth Proportional to 103,165.65, 142,375.46 and 57,846.62

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Solution

The fourth proportional to 103,165.65, 142,375.46 and 57,846.62 is: 79,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165.65 : 142,375.46 = 57,846.62 : x
  2. Step 2: Convert to fraction form
    103,165.65/142,375.46 = 57,846.62/x
  3. Step 3: Cross multiply
    103,165.65x = 142,375.46 × 57,846.62
  4. Step 4: Simplify right side
    103,165.65x = 8,235,939,198.65
  5. Step 5: Solve for x
    x = 8,235,939,198.65/103,165.65
  6. Step 6: Final answer
    x = 79,832.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.