Home / 150,067.02-207,083.88-82,070.40

Finding the Fourth Proportional to 150,067.02, 207,083.88 and 82,070.40

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Solution

The fourth proportional to 150,067.02, 207,083.88 and 82,070.40 is: 113,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,067.02 : 207,083.88 = 82,070.40 : x
  2. Step 2: Convert to fraction form
    150,067.02/207,083.88 = 82,070.40/x
  3. Step 3: Cross multiply
    150,067.02x = 207,083.88 × 82,070.40
  4. Step 4: Simplify right side
    150,067.02x = 16,995,456,865.15
  5. Step 5: Solve for x
    x = 16,995,456,865.15/150,067.02
  6. Step 6: Final answer
    x = 113,252.44

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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.