Home / 124,633.08-171,876.78-82,117.56

Finding the Fourth Proportional to 124,633.08, 171,876.78 and 82,117.56

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Solution

The fourth proportional to 124,633.08, 171,876.78 and 82,117.56 is: 113,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,633.08 : 171,876.78 = 82,117.56 : x
  2. Step 2: Convert to fraction form
    124,633.08/171,876.78 = 82,117.56/x
  3. Step 3: Cross multiply
    124,633.08x = 171,876.78 × 82,117.56
  4. Step 4: Simplify right side
    124,633.08x = 14,114,101,794.26
  5. Step 5: Solve for x
    x = 14,114,101,794.26/124,633.08
  6. Step 6: Final answer
    x = 113,245.23

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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.