Home / 141,328.45-211,860.91-47,768.77

Finding the Fourth Proportional to 141,328.45, 211,860.91 and 47,768.77

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Solution

The fourth proportional to 141,328.45, 211,860.91 and 47,768.77 is: 71,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,328.45 : 211,860.91 = 47,768.77 : x
  2. Step 2: Convert to fraction form
    141,328.45/211,860.91 = 47,768.77/x
  3. Step 3: Cross multiply
    141,328.45x = 211,860.91 × 47,768.77
  4. Step 4: Simplify right side
    141,328.45x = 10,120,335,081.78
  5. Step 5: Solve for x
    x = 10,120,335,081.78/141,328.45
  6. Step 6: Final answer
    x = 71,608.62

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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.