Home / 104,213.91-143,815.33-56,467.23

Finding the Fourth Proportional to 104,213.91, 143,815.33 and 56,467.23

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Solution

The fourth proportional to 104,213.91, 143,815.33 and 56,467.23 is: 77,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.91 : 143,815.33 = 56,467.23 : x
  2. Step 2: Convert to fraction form
    104,213.91/143,815.33 = 56,467.23/x
  3. Step 3: Cross multiply
    104,213.91x = 143,815.33 × 56,467.23
  4. Step 4: Simplify right side
    104,213.91x = 8,120,853,316.64
  5. Step 5: Solve for x
    x = 8,120,853,316.64/104,213.91
  6. Step 6: Final answer
    x = 77,924.85

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1.5x scale

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.