Home / 141,523.89-212,336.87-71,350.35

Finding the Fourth Proportional to 141,523.89, 212,336.87 and 71,350.35

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Solution

The fourth proportional to 141,523.89, 212,336.87 and 71,350.35 is: 107,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,523.89 : 212,336.87 = 71,350.35 : x
  2. Step 2: Convert to fraction form
    141,523.89/212,336.87 = 71,350.35/x
  3. Step 3: Cross multiply
    141,523.89x = 212,336.87 × 71,350.35
  4. Step 4: Simplify right side
    141,523.89x = 15,150,309,635.65
  5. Step 5: Solve for x
    x = 15,150,309,635.65/141,523.89
  6. Step 6: Final answer
    x = 107,051.25

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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.