Home / 141,207.20-211,753.20-47,664.80

Finding the Fourth Proportional to 141,207.20, 211,753.20 and 47,664.80

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Solution

The fourth proportional to 141,207.20, 211,753.20 and 47,664.80 is: 71,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,207.20 : 211,753.20 = 47,664.80 : x
  2. Step 2: Convert to fraction form
    141,207.20/211,753.20 = 47,664.80/x
  3. Step 3: Cross multiply
    141,207.20x = 211,753.20 × 47,664.80
  4. Step 4: Simplify right side
    141,207.20x = 10,093,173,927.36
  5. Step 5: Solve for x
    x = 10,093,173,927.36/141,207.20
  6. Step 6: Final answer
    x = 71,477.76

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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.