Home / 112,919.23-169,379.17-38,091.94

Finding the Fourth Proportional to 112,919.23, 169,379.17 and 38,091.94

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Solution

The fourth proportional to 112,919.23, 169,379.17 and 38,091.94 is: 57,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,919.23 : 169,379.17 = 38,091.94 : x
  2. Step 2: Convert to fraction form
    112,919.23/169,379.17 = 38,091.94/x
  3. Step 3: Cross multiply
    112,919.23x = 169,379.17 × 38,091.94
  4. Step 4: Simplify right side
    112,919.23x = 6,451,980,662.21
  5. Step 5: Solve for x
    x = 6,451,980,662.21/112,919.23
  6. Step 6: Final answer
    x = 57,138.01

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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.