Home / 125,355.38-172,993.32-68,766.75

Finding the Fourth Proportional to 125,355.38, 172,993.32 and 68,766.75

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Solution

The fourth proportional to 125,355.38, 172,993.32 and 68,766.75 is: 94,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355.38 : 172,993.32 = 68,766.75 : x
  2. Step 2: Convert to fraction form
    125,355.38/172,993.32 = 68,766.75/x
  3. Step 3: Cross multiply
    125,355.38x = 172,993.32 × 68,766.75
  4. Step 4: Simplify right side
    125,355.38x = 11,896,188,388.11
  5. Step 5: Solve for x
    x = 11,896,188,388.11/125,355.38
  6. Step 6: Final answer
    x = 94,899.71

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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.