Home / 112,249.35-154,954.62-74,031.57

Finding the Fourth Proportional to 112,249.35, 154,954.62 and 74,031.57

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Solution

The fourth proportional to 112,249.35, 154,954.62 and 74,031.57 is: 102,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,249.35 : 154,954.62 = 74,031.57 : x
  2. Step 2: Convert to fraction form
    112,249.35/154,954.62 = 74,031.57/x
  3. Step 3: Cross multiply
    112,249.35x = 154,954.62 × 74,031.57
  4. Step 4: Simplify right side
    112,249.35x = 11,471,533,797.35
  5. Step 5: Solve for x
    x = 11,471,533,797.35/112,249.35
  6. Step 6: Final answer
    x = 102,196.88

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1.5x scale

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.