Home / 125,961.89-173,814.54-77,556.14

Finding the Fourth Proportional to 125,961.89, 173,814.54 and 77,556.14

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Solution

The fourth proportional to 125,961.89, 173,814.54 and 77,556.14 is: 107,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,961.89 : 173,814.54 = 77,556.14 : x
  2. Step 2: Convert to fraction form
    125,961.89/173,814.54 = 77,556.14/x
  3. Step 3: Cross multiply
    125,961.89x = 173,814.54 × 77,556.14
  4. Step 4: Simplify right side
    125,961.89x = 13,480,383,929.20
  5. Step 5: Solve for x
    x = 13,480,383,929.20/125,961.89
  6. Step 6: Final answer
    x = 107,019.55

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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.