Home / 141,247.32-211,960.26-78,958.68

Finding the Fourth Proportional to 141,247.32, 211,960.26 and 78,958.68

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Solution

The fourth proportional to 141,247.32, 211,960.26 and 78,958.68 is: 118,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,247.32 : 211,960.26 = 78,958.68 : x
  2. Step 2: Convert to fraction form
    141,247.32/211,960.26 = 78,958.68/x
  3. Step 3: Cross multiply
    141,247.32x = 211,960.26 × 78,958.68
  4. Step 4: Simplify right side
    141,247.32x = 16,736,102,342.06
  5. Step 5: Solve for x
    x = 16,736,102,342.06/141,247.32
  6. Step 6: Final answer
    x = 118,487.93

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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.