Home / 125,976.82-173,847.98-69,388.19

Finding the Fourth Proportional to 125,976.82, 173,847.98 and 69,388.19

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Solution

The fourth proportional to 125,976.82, 173,847.98 and 69,388.19 is: 95,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.82 : 173,847.98 = 69,388.19 : x
  2. Step 2: Convert to fraction form
    125,976.82/173,847.98 = 69,388.19/x
  3. Step 3: Cross multiply
    125,976.82x = 173,847.98 × 69,388.19
  4. Step 4: Simplify right side
    125,976.82x = 12,062,996,667.36
  5. Step 5: Solve for x
    x = 12,062,996,667.36/125,976.82
  6. Step 6: Final answer
    x = 95,755.68

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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.