Home / 211,949.46-316,642.97-136,454.22

Finding the Fourth Proportional to 211,949.46, 316,642.97 and 136,454.22

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Solution

The fourth proportional to 211,949.46, 316,642.97 and 136,454.22 is: 203,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,949.46 : 316,642.97 = 136,454.22 : x
  2. Step 2: Convert to fraction form
    211,949.46/316,642.97 = 136,454.22/x
  3. Step 3: Cross multiply
    211,949.46x = 316,642.97 × 136,454.22
  4. Step 4: Simplify right side
    211,949.46x = 43,207,269,830.97
  5. Step 5: Solve for x
    x = 43,207,269,830.97/211,949.46
  6. Step 6: Final answer
    x = 203,856.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.