Home / 134,215.05-185,221.71-76,863.27

Finding the Fourth Proportional to 134,215.05, 185,221.71 and 76,863.27

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Solution

The fourth proportional to 134,215.05, 185,221.71 and 76,863.27 is: 106,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,215.05 : 185,221.71 = 76,863.27 : x
  2. Step 2: Convert to fraction form
    134,215.05/185,221.71 = 76,863.27/x
  3. Step 3: Cross multiply
    134,215.05x = 185,221.71 × 76,863.27
  4. Step 4: Simplify right side
    134,215.05x = 14,236,746,305.59
  5. Step 5: Solve for x
    x = 14,236,746,305.59/134,215.05
  6. Step 6: Final answer
    x = 106,074.14

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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.