Home / 126,808.29-190,214.60-47,959.65

Finding the Fourth Proportional to 126,808.29, 190,214.60 and 47,959.65

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Solution

The fourth proportional to 126,808.29, 190,214.60 and 47,959.65 is: 71,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,808.29 : 190,214.60 = 47,959.65 : x
  2. Step 2: Convert to fraction form
    126,808.29/190,214.60 = 47,959.65/x
  3. Step 3: Cross multiply
    126,808.29x = 190,214.60 × 47,959.65
  4. Step 4: Simplify right side
    126,808.29x = 9,122,625,401.09
  5. Step 5: Solve for x
    x = 9,122,625,401.09/126,808.29
  6. Step 6: Final answer
    x = 71,940.29

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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.