Home / 125,965.64-173,819.72-77,559.88

Finding the Fourth Proportional to 125,965.64, 173,819.72 and 77,559.88

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Solution

The fourth proportional to 125,965.64, 173,819.72 and 77,559.88 is: 107,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,965.64 : 173,819.72 = 77,559.88 : x
  2. Step 2: Convert to fraction form
    125,965.64/173,819.72 = 77,559.88/x
  3. Step 3: Cross multiply
    125,965.64x = 173,819.72 × 77,559.88
  4. Step 4: Simplify right side
    125,965.64x = 13,481,436,624.83
  5. Step 5: Solve for x
    x = 13,481,436,624.83/125,965.64
  6. Step 6: Final answer
    x = 107,024.71

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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.