Home / 112,392.80-168,589.20-29,286.80

Finding the Fourth Proportional to 112,392.80, 168,589.20 and 29,286.80

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Solution

The fourth proportional to 112,392.80, 168,589.20 and 29,286.80 is: 43,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,392.80 : 168,589.20 = 29,286.80 : x
  2. Step 2: Convert to fraction form
    112,392.80/168,589.20 = 29,286.80/x
  3. Step 3: Cross multiply
    112,392.80x = 168,589.20 × 29,286.80
  4. Step 4: Simplify right side
    112,392.80x = 4,937,438,182.56
  5. Step 5: Solve for x
    x = 4,937,438,182.56/112,392.80
  6. Step 6: Final answer
    x = 43,930.20

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1.5x scale

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.