Home / 125,965.65-173,819.70-77,559.90

Finding the Fourth Proportional to 125,965.65, 173,819.70 and 77,559.90

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Solution

The fourth proportional to 125,965.65, 173,819.70 and 77,559.90 is: 107,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,965.65 : 173,819.70 = 77,559.90 : x
  2. Step 2: Convert to fraction form
    125,965.65/173,819.70 = 77,559.90/x
  3. Step 3: Cross multiply
    125,965.65x = 173,819.70 × 77,559.90
  4. Step 4: Simplify right side
    125,965.65x = 13,481,438,550.03
  5. Step 5: Solve for x
    x = 13,481,438,550.03/125,965.65
  6. Step 6: Final answer
    x = 107,024.72

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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.