Home / 125,976.84-173,848.01-69,388.21

Finding the Fourth Proportional to 125,976.84, 173,848.01 and 69,388.21

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Solution

The fourth proportional to 125,976.84, 173,848.01 and 69,388.21 is: 95,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.84 : 173,848.01 = 69,388.21 : x
  2. Step 2: Convert to fraction form
    125,976.84/173,848.01 = 69,388.21/x
  3. Step 3: Cross multiply
    125,976.84x = 173,848.01 × 69,388.21
  4. Step 4: Simplify right side
    125,976.84x = 12,063,002,096.33
  5. Step 5: Solve for x
    x = 12,063,002,096.33/125,976.84
  6. Step 6: Final answer
    x = 95,755.72

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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.