Home / 125,812.33-173,625.82-72,107.74

Finding the Fourth Proportional to 125,812.33, 173,625.82 and 72,107.74

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Solution

The fourth proportional to 125,812.33, 173,625.82 and 72,107.74 is: 99,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,812.33 : 173,625.82 = 72,107.74 : x
  2. Step 2: Convert to fraction form
    125,812.33/173,625.82 = 72,107.74/x
  3. Step 3: Cross multiply
    125,812.33x = 173,625.82 × 72,107.74
  4. Step 4: Simplify right side
    125,812.33x = 12,519,765,633.35
  5. Step 5: Solve for x
    x = 12,519,765,633.35/125,812.33
  6. Step 6: Final answer
    x = 99,511.43

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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.