Home / 126,044.84-188,870.26-79,199.30

Finding the Fourth Proportional to 126,044.84, 188,870.26 and 79,199.30

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Solution

The fourth proportional to 126,044.84, 188,870.26 and 79,199.30 is: 118,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.84 : 188,870.26 = 79,199.30 : x
  2. Step 2: Convert to fraction form
    126,044.84/188,870.26 = 79,199.30/x
  3. Step 3: Cross multiply
    126,044.84x = 188,870.26 × 79,199.30
  4. Step 4: Simplify right side
    126,044.84x = 14,958,392,382.82
  5. Step 5: Solve for x
    x = 14,958,392,382.82/126,044.84
  6. Step 6: Final answer
    x = 118,675.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.