Home / 125,249.18-172,850.82-71,551.63

Finding the Fourth Proportional to 125,249.18, 172,850.82 and 71,551.63

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Solution

The fourth proportional to 125,249.18, 172,850.82 and 71,551.63 is: 98,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,249.18 : 172,850.82 = 71,551.63 : x
  2. Step 2: Convert to fraction form
    125,249.18/172,850.82 = 71,551.63/x
  3. Step 3: Cross multiply
    125,249.18x = 172,850.82 × 71,551.63
  4. Step 4: Simplify right side
    125,249.18x = 12,367,757,053.58
  5. Step 5: Solve for x
    x = 12,367,757,053.58/125,249.18
  6. Step 6: Final answer
    x = 98,745.21

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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.