Home / 112,945.30-169,433.58-38,086.86

Finding the Fourth Proportional to 112,945.30, 169,433.58 and 38,086.86

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Solution

The fourth proportional to 112,945.30, 169,433.58 and 38,086.86 is: 57,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.30 : 169,433.58 = 38,086.86 : x
  2. Step 2: Convert to fraction form
    112,945.30/169,433.58 = 38,086.86/x
  3. Step 3: Cross multiply
    112,945.30x = 169,433.58 × 38,086.86
  4. Step 4: Simplify right side
    112,945.30x = 6,453,193,040.76
  5. Step 5: Solve for x
    x = 6,453,193,040.76/112,945.30
  6. Step 6: Final answer
    x = 57,135.56

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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.