Home / 112,145.58-168,235.17-36,218.76

Finding the Fourth Proportional to 112,145.58, 168,235.17 and 36,218.76

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Solution

The fourth proportional to 112,145.58, 168,235.17 and 36,218.76 is: 54,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,145.58 : 168,235.17 = 36,218.76 : x
  2. Step 2: Convert to fraction form
    112,145.58/168,235.17 = 36,218.76/x
  3. Step 3: Cross multiply
    112,145.58x = 168,235.17 × 36,218.76
  4. Step 4: Simplify right side
    112,145.58x = 6,093,269,245.79
  5. Step 5: Solve for x
    x = 6,093,269,245.79/112,145.58
  6. Step 6: Final answer
    x = 54,333.57

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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.