Home / 112,471.20-168,708.60-29,365.20

Finding the Fourth Proportional to 112,471.20, 168,708.60 and 29,365.20

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Solution

The fourth proportional to 112,471.20, 168,708.60 and 29,365.20 is: 44,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,471.20 : 168,708.60 = 29,365.20 : x
  2. Step 2: Convert to fraction form
    112,471.20/168,708.60 = 29,365.20/x
  3. Step 3: Cross multiply
    112,471.20x = 168,708.60 × 29,365.20
  4. Step 4: Simplify right side
    112,471.20x = 4,954,161,780.72
  5. Step 5: Solve for x
    x = 4,954,161,780.72/112,471.20
  6. Step 6: Final answer
    x = 44,048.27

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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.