Home / 134,212.78-185,217.22-72,963.10

Finding the Fourth Proportional to 134,212.78, 185,217.22 and 72,963.10

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Solution

The fourth proportional to 134,212.78, 185,217.22 and 72,963.10 is: 100,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,212.78 : 185,217.22 = 72,963.10 : x
  2. Step 2: Convert to fraction form
    134,212.78/185,217.22 = 72,963.10/x
  3. Step 3: Cross multiply
    134,212.78x = 185,217.22 × 72,963.10
  4. Step 4: Simplify right side
    134,212.78x = 13,514,022,544.58
  5. Step 5: Solve for x
    x = 13,514,022,544.58/134,212.78
  6. Step 6: Final answer
    x = 100,691.03

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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.