Home / 112,919.94-169,379.92-29,814.66

Finding the Fourth Proportional to 112,919.94, 169,379.92 and 29,814.66

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Solution

The fourth proportional to 112,919.94, 169,379.92 and 29,814.66 is: 44,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,919.94 : 169,379.92 = 29,814.66 : x
  2. Step 2: Convert to fraction form
    112,919.94/169,379.92 = 29,814.66/x
  3. Step 3: Cross multiply
    112,919.94x = 169,379.92 × 29,814.66
  4. Step 4: Simplify right side
    112,919.94x = 5,050,004,725.63
  5. Step 5: Solve for x
    x = 5,050,004,725.63/112,919.94
  6. Step 6: Final answer
    x = 44,721.99

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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.