Home / 135,738.86-187,319.66-75,310.16

Finding the Fourth Proportional to 135,738.86, 187,319.66 and 75,310.16

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Solution

The fourth proportional to 135,738.86, 187,319.66 and 75,310.16 is: 103,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,738.86 : 187,319.66 = 75,310.16 : x
  2. Step 2: Convert to fraction form
    135,738.86/187,319.66 = 75,310.16/x
  3. Step 3: Cross multiply
    135,738.86x = 187,319.66 × 75,310.16
  4. Step 4: Simplify right side
    135,738.86x = 14,107,072,252.60
  5. Step 5: Solve for x
    x = 14,107,072,252.60/135,738.86
  6. Step 6: Final answer
    x = 103,928.03

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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.